Drain valve for laundry tubs,申请号US19400366102-传众专利搜索

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发明名称	Drain valve for laundry tubs
摘要
申请公布号	US2256891(A)	申请公布日期	1941.09.23
申请号	US19400366102	申请日期	1940.11.18
申请人	BURMAN OLOF S	发明人	BURMAN OLOF S.
分类号	D06F39/08;E03C1/23	主分类号	D06F39/08
代理机构		代理人
主权项
地址

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