Fire hydrant valve rod coupling,申请号US19340718108-传众专利搜索

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发明名称	Fire hydrant valve rod coupling
摘要
申请公布号	US2018455(A)	申请公布日期	1935.10.22
申请号	US19340718108	申请日期	1934.03.30
申请人	LOFTON HERBERT M	发明人	LOFTON HERBERT M.
分类号	E03B9/02;F16L23/02	主分类号	E03B9/02
代理机构		代理人
主权项
地址

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