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发明名称
UNDER-REAMING TOOL
摘要
申请公布号
CA692658(A)
申请公布日期
1964.08.18
申请号
CAD692658
申请日期
申请人
ECONOMIC FOUNDATIONS LIMITED
发明人
KENNETH MCALPINE
分类号
主分类号
代理机构
代理人
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