Liquid rate-of-flow indicator,申请号US19470760422-传众专利搜索

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发明名称	Liquid rate-of-flow indicator
摘要
申请公布号	US2519416(A)	申请公布日期	1950.08.22
申请号	US19470760422	申请日期	1947.07.11
申请人	TOWNSEND JAMES A	发明人	TOWNSEND JAMES A.
分类号	G01F9/00;G01F23/26	主分类号	G01F9/00
代理机构		代理人
主权项
地址

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