Plumber's union and method of manufacture thereof,申请号US19330703697-传众专利搜索

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发明名称	Plumber's union and method of manufacture thereof
摘要
申请公布号	US2050137(A)	申请公布日期	1936.08.04
申请号	US19330703697	申请日期	1933.12.23
申请人	UNITED SUPERIOR UNION COMPANY, INC.	发明人	WALSH JOHN B.
分类号	F16L19/02	主分类号	F16L19/02
代理机构		代理人
主权项
地址

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