Liquid column gravity meter,申请号US19320636790-传众专利搜索

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发明名称	Liquid column gravity meter
摘要
申请公布号	US2055479(A)	申请公布日期	1936.09.29
申请号	US19320636790	申请日期	1932.10.08
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	BRYAN ANDREW B.
分类号	G01V7/00	主分类号	G01V7/00
代理机构		代理人
主权项
地址

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