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发明名称
CONDUIT FITTING
摘要
申请公布号
CA304965(A)
申请公布日期
1930.10.21
申请号
CAD304965
申请日期
申请人
THE ERIE MALLEABLE IRON COMPANY
发明人
GEORGE RALPH METCALF, JR.;FRANK JAMES RAYBOULD
分类号
主分类号
代理机构
代理人
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