【Exclusive Release】The “Handbook of Domestic and Foreign Metal Materials” includes a comparison table of material grades from various countries
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A manual on metal materials from home and abroad, including tables comparing material grades from various countries; priced at 498 yuan!
This post was last edited by hmgongyong on 2023-9-12 at 15:18. Thank you very much to the original poster for sharing such good material. Bonus: I was deceived; there are only the first 100 pages.