Pipe repair clamp,申请号US19470726026-传众专利搜索

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发明名称	Pipe repair clamp
摘要
申请公布号	US2443271(A)	申请公布日期	1948.06.15
申请号	US19470726026	申请日期	1947.02.03
申请人	RUSSELL BEN H	发明人	RUSSELL BEN H.
分类号	F16L33/04;F16L55/172	主分类号	F16L33/04
代理机构		代理人
主权项
地址

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