Waste-valve fitting,申请号US19270161116-传众专利搜索

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发明名称	Waste-valve fitting
摘要
申请公布号	US1758226(A)	申请公布日期	1930.05.13
申请号	US19270161116	申请日期	1927.01.14
申请人	KAUFMAN TOBIAS J	发明人	KAUFMAN TOBIAS J.
分类号	E03C1/23	主分类号	E03C1/23
代理机构		代理人
主权项
地址

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