Hydrometer,申请号US19290360039-传众专利搜索

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发明名称	Hydrometer
摘要
申请公布号	US1852118(A)	申请公布日期	1932.04.05
申请号	US19290360039	申请日期	1929.05.03
申请人	MANDEL KAHN	发明人	KAHN MANDEL
分类号	G01N9/14	主分类号	G01N9/14
代理机构		代理人
主权项
地址

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