SKU: 51774733248

MŽtallurgie Extractive du Cobalt - 3 ed.

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Description

MŽtallurgie Extractive du Cobalt - 3 ed.Actuellement, prt de 20%% de la production mondiale de cobalt, soient prt de 10 000 tonnes et 60%% de la production mondiale de super alliages base de cobalt sont rcuprs par les USA qui considrent ce mtal comme hautement stratgique au point que sa carence pourrait affecter srieusement ses domaines conomiques, industriels et militaires ainsi que ceux de nombreux pays hautement industrialiss. On trouve ainsi dans cet ouvrage des informations sur

Actuellement, pr�t de 20%% de la production mondiale de cobalt, soient pr�t de 10 000 tonnes et 60%% de la production mondiale de super-alliages ˆ base de cobalt sont rŽcupŽrŽs par les USA qui consid�rent ce mŽtal comme hautement stratŽgique au point que sa carence pourrait affecter sŽrieusement ses domaines Žconomiques, industriels et militaires ainsi que ceux de nombreux pays hautement industrialisŽs.
On trouve ainsi dans cet ouvrage des informations sur lÕorigine, lՎlaboration du cobalt, son recyclage et son utilisation tout cela illustrŽ de pr�s de 80 flow-sheets, croquis et graphes.
Cet ouvrage est un recueil, une mine dÕinformations, dÕexpŽriences et de pratiques industrielles utiles ˆ avoir pour mieux conna”tre lÕun des mŽtaux le plus influent sur lՎchiquier stratŽgique et Žconomique mondial.

Roger RUMBU, Met. Eng., PPM.

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SKU: 51774733248

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GrizzDean
Omaha, US
★★★★★ 5
Excellent, prompt, zero hassle protection
I purchased a nice 3D printer for my grandson. He was thrilled and he and his dad used it frequently. The printer developed a serious problem but, thankfully, I had also purchased a three-year protection plan with Asurion. We shipped the printer to Asurion via UPS since they readily agreed to repair it or refund the purchase price. After only a few days, Asurion emailed me that the printer was not repairable. They sent me a link that enabled me to send the full purchase price to my Amazon account. I used it to purchase another printer. I am happy and my grandson is thrilled! I should add that the extended protection did not cover sales tax, nor did it cover shipping cost.
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Reviewed in the United States on March 8, 2026
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Alexander
Battle Creek, US
★★★★★ 5
Strongly recommend
I recently used the services of this company, and I was completely satisfied. They work very professionally: whenever I reached out, they quickly resolved any issues. I strongly recommend that anyone who purchases electronic devices register their product with this insurance. It is truly reliable.
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Reviewed in the United States on June 8, 2026
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AC_TX
Lake Worth, US
★★★★★ 5
Cheap Insurance - Easy Claims Process!
I bought this warranty plan for a Dell monitor about 3.5 years ago. About a month ago, it started to give me some intermittent problems (very fast flickering & image retention). I tried everything I could to troubleshoot the issue, but it just kept coming back. I had some issues with logging into my Asurion account because I used an EDU email, which I no longer have access to. I sent a message to Asurion here on Amazon and they sent me my plan details and everything I needed to make a claim within 24 hrs. Once I was able to log into my account online, the claims process couldn't be faster/easier. I used the chat function and provided the rep with the issues I was having with my monitor. The rep immediately emailed me a pre-paid UPS label to send my monitor to one of their repair facilities. I got another email when my monitor was received stating that repairs could take up to 5 business days. However, the very next day I got another email stating that my monitor couldn't be repaired and they would be reimbursing me the full purchase price. I received another email with an Amazon gift card for the full price of the monitor within minutes. This is my first experience with Asurion and I'm very impressed. The customer service is top notch. If I ever buy another expensive electronic item from Amazon, I'm definitely buying an extended warranty from Asurion.
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Reviewed in the United States on April 19, 2025
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Damon Love
New York, US
★★★★★ 5
Better pricing than BestBuy’s Geek Squad extended warranty!
Asurion is on of the best extended warranty put there! bar none! I used to buy only from BestBuy because of their Geek Squad extended warranty. But it’s way more expensive compared to Asurion. although with Asurion they require so much paper work and pictures first.
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Reviewed in the United States on December 26, 2025
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Becky Otten
Port Orchard, US
★★★★★ 4
They refunded the amount. We just had to send it to them 2 times before they did.
We bought a printer and it was having issues from the beginning. We thought at first it had to do with the WIFI, so we didn't say anything, but then more things were going wrong. I talked to the manufacturer, who said it needed to be replaced but we had to go through Asurion. Asurion "fixed" it and sent it back but we had our doubts. Sure enough, it was within the same month we were sending it in again. This time they just gave us an amazon gift card for the entire amount we had paid. Thankful for the warranty. They ultimately did the right thing, I just wish we could have gotten it done faster.
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Reviewed in the United States on October 9, 2023

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