标准号:JUS C.A4.055-1987
中文标准名称:金属的机械试验.烧结金属材料(不包括硬质合金)表观硬度的测定.表面渗碳或渗碳和氮的表面硬化黑色金属材料
英文标准名称:Mechanical testing of meta/s. Determination of apparent hardness ofs/nteres metal materials, excluding hardmeta/s. Case-hardened ferrous materials, surface enriched bycarbon orcarbon and nitrogen
发布日期:1987/1/1 12:00:00
实施日期:1999/12/31 12:00:00