烧结铁基材料渗碳或碳氮共渗硬化层深度的测定
Measurement on the carburizing or nitro-carburizing harden case depth of sintering iron-based material
标准状态
发布于:1988-04-25
实施于:1989-01-01
已废止
Measurement on the carburizing or nitro-carburizing harden case depth of sintering iron-based material