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发明名称
摘要
申请公布号
FR2309642(B1)
申请公布日期
1979.03.23
申请号
FR19750039163
申请日期
1975.12.19
申请人
TOYO KOHAN CO LTD
发明人
分类号
C21D9/46;C21D9/52;C22C38/00;(IPC1-7):C21D7/00
主分类号
C21D9/46
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