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发明名称
PENETRATING AND FRACTURING TOOL
摘要
申请公布号
CA616108(A)
申请公布日期
1961.03.14
申请号
CAD616108
申请日期
申请人
HENRY H. MOHAUPT
发明人
HENRY H. MOHAUPT
分类号
主分类号
代理机构
代理人
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