luoyacao 发表于 2010-11-19 14:31:38

English articles about vacuum heat treatment & in poctective gases

Who have English articles about heat treatment in poctective gases & vacuum heat treatment? Referral a few. Thank you!

hooloo 发表于 2010-11-19 14:49:22




luoyacao 发表于 2010-11-22 14:55:42

Wonderful！Thank you very much
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