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发明名称
摘要
申请公布号
FR2486840(B3)
申请公布日期
1982.06.25
申请号
FR19810013251
申请日期
1981.07.06
申请人
PASSAVANT WERKE AG CO KG
发明人
分类号
B22D29/04;B22D31/00;(IPC1-7):B22D29/04
主分类号
B22D29/04
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