Device for testing liquids,申请号US19530396921-传众专利搜索

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发明名称	Device for testing liquids
摘要
申请公布号	US2785057(A)	申请公布日期	1957.03.12
申请号	US19530396921	申请日期	1953.12.08
申请人	THE UNION CENTRAL LIFE INSURANCE COMPANY	发明人	SCHWAB LOUIS;O'CONNOR GEORGE L.;RIEHLE FRED W.
分类号	G01N31/22;G01N33/52	主分类号	G01N31/22
代理机构		代理人
主权项
地址

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