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发明名称
METHOD AND APPARATUS FOR PERFORATING WELL CASING AND THE LIKE
摘要
申请公布号
CA609023(A)
申请公布日期
1960.11.22
申请号
CAD609023
申请日期
申请人
BORG-WARNER CORPORATION
发明人
HARRY S. ROBERTSON
分类号
主分类号
代理机构
代理人
主权项
地址
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