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发明名称
摘要
申请公布号
FR2339737(B1)
申请公布日期
1983.01.28
申请号
FR19770002534
申请日期
1977.01.28
申请人
BADE ET CO GMBH
发明人
分类号
E21D9/06;(IPC1-7):E21D11/10
主分类号
E21D9/06
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