Steels - determination and verification of the depth of carburized and hardened cases 钢件渗碳淬火硬化层深度的测定和校核
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Steel - determination and verification of the depth of carburized and hardened cases 钢.渗碳层和硬化层深度的测定和检验
3.
Steels - determination and verification of the depth of carburized and hardened cases 钢.渗碳层和硬化层的深度的测定和检验
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Steels - determination and verification of the depth of carburized and hardened cases iso 2639 : 2002 ; german version en iso 2639 : 2002 钢.渗碳层和硬化层深度测定和检验