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摘要
申请公布号
FR2019420(A1)
申请公布日期
1970.07.03
申请号
FR19690025786
申请日期
1969.07.28
申请人
TORRANCE MACHINERY ENGIN
发明人
分类号
B21C37/06;B21C37/08;B21D5/12;B23K9/025;(IPC1-7):B21C37/00
主分类号
B21C37/06
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