Split sleeve for repairing pipe joints,申请号US19310524002-传众专利搜索

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发明名称	Split sleeve for repairing pipe joints
摘要
申请公布号	US1940729(A)	申请公布日期	1933.12.26
申请号	US19310524002	申请日期	1931.03.20
申请人	S. R. DRESSER MANUFACTURING COMPANY	发明人	PFEFFERLE GEORGE H.
分类号	F16L55/172	主分类号	F16L55/172
代理机构		代理人
主权项
地址

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