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发明名称
Verfahren und Vorrichtung zur Herstellung von Schaechten,Revisionskammern und Roehrenverbindungen
摘要
申请公布号
DE1784739(A1)
申请公布日期
1971.08.12
申请号
DE19681784739
申请日期
1968.09.13
申请人
EDE,AINSLEY NEVILLE
发明人
NEVILLE EDE,AINSLEY
分类号
E21B10/44
主分类号
E21B10/44
代理机构
代理人
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地址
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