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发明名称
摘要
申请公布号
FR2382507(B1)
申请公布日期
1980.07.11
申请号
FR19780018712
申请日期
1978.06.22
申请人
SUMITOMO METAL IND LTD
发明人
分类号
C21C7/04;B22D27/20;C21C7/06;C22C35/00;(IPC1-7):C22C35/00
主分类号
C21C7/04
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