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经营范围
发明名称
METHOD OF PRODUCING CARBURIZED AND NITRIDED CASES
摘要
申请公布号
PL150441(B1)
申请公布日期
1990.05.31
申请号
PL19870267161
申请日期
1987.08.04
申请人
发明人
分类号
C23C;C23C8/36;(IPC1-7):C23C8/36
主分类号
C23C
代理机构
代理人
主权项
地址
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