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发明名称
摘要
申请公布号
FR2320800(B1)
申请公布日期
1980.09.12
申请号
FR19750025062
申请日期
1975.08.12
申请人
CREUSOT LOIRE VALLOUREC
发明人
分类号
B22D11/10;B22D11/04;B22D11/041;B22D11/14;(IPC1-7):B22D11/14
主分类号
B22D11/10
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