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发明名称
摘要
申请公布号
DE3141918(C2)
申请公布日期
1986.01.23
申请号
DE19813141918
申请日期
1981.10.22
申请人
MUELLER & BORGGRAEFE KG, 5820 GEVELSBERG, DE
发明人
MUELLER, DIETER, 5800 HAGEN, DE;GLOGER, JOSEF, 4170 GELDERN, DE
分类号
E21D11/28;E21F17/02;(IPC1-7):E21F17/02
主分类号
E21D11/28
代理机构
代理人
主权项
地址
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