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发明名称
Schneidkopf
摘要
申请公布号
DE29912676(U1)
申请公布日期
1999.09.16
申请号
DE19992012676U
申请日期
1999.07.21
申请人
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN
发明人
分类号
E21B7/30;F16L55/165;(IPC1-7):E21B29/00;E21B7/20;F16L1/028
主分类号
E21B7/30
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代理人
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