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发明名称
摘要
申请公布号
FR2246340(B2)
申请公布日期
1978.03.24
申请号
FR19730036039
申请日期
1973.10.09
申请人
TOYO KOHAN CO LTD
发明人
分类号
C22C33/02;(IPC1-7):B22F1/00;C22C38/00
主分类号
C22C33/02
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