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发明名称
摘要
申请公布号
FR2321344(B1)
申请公布日期
1981.06.12
申请号
FR19760025409
申请日期
1976.08.20
申请人
DEUTSCHE BABCOCK AG
发明人
分类号
B21D7/00;B21D7/024;B21D7/025;B21D9/05;B21D11/07;(IPC1-7):B21D7/02
主分类号
B21D7/00
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