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发明名称
SPUELVORRICHTUNG ZUM REINIGEN VON DRAHTSEIL-WERKZEUGEN
摘要
申请公布号
DE1961179(B2)
申请公布日期
1977.04.21
申请号
DE19691961179
申请日期
1969.12.05
申请人
发明人
分类号
E21B37/00;E21B33/076;(IPC1-7):E21B37/00
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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