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发明名称
APPARATUS FOR GRIPPING AND ADVANCING TUBES
摘要
申请公布号
CA569916(A)
申请公布日期
1959.02.03
申请号
CAD569916
申请日期
申请人
THE AETNA-STANDARD ENGINEERING COMPANY
发明人
DONALD V. STROCK
分类号
主分类号
代理机构
代理人
主权项
地址
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