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经营范围
发明名称
ROCK DRILL VALVE
摘要
申请公布号
CA414465(A)
申请公布日期
1943.08.10
申请号
CAD414465
申请日期
申请人
INGERSOLL-RAND COMPANY
发明人
ALBERT REUBEN MACK
分类号
主分类号
代理机构
代理人
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地址
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