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发明名称
Verfahren fuer Drahtseilarbeiten und Drahtseilschmiergeraet
摘要
申请公布号
DE2001730(A1)
申请公布日期
1970.07.30
申请号
DE19702001730
申请日期
1970.01.15
申请人
LOCKHEED AIRCRAFT CORP.
发明人
WEISS,FOLKER
分类号
E21B33/076
主分类号
E21B33/076
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代理人
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