Flowmeter,申请号US19550483777-传众专利搜索

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发明名称	Flowmeter
摘要
申请公布号	US2822688(A)	申请公布日期	1958.02.11
申请号	US19550483777	申请日期	1955.01.24
申请人	PHILLIPS PETROLEUM COMPANY	发明人	WILEY BRUCE F.
分类号	E21B47/10;G01F1/68	主分类号	E21B47/10
代理机构		代理人
主权项
地址

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