Indicating flowmeter with magnetic mercury switches for signal operation,申请号US19580743383-传众专利搜索

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发明名称	Indicating flowmeter with magnetic mercury switches for signal operation
摘要
申请公布号	US3090231(A)	申请公布日期	1963.05.21
申请号	US19580743383	申请日期	1958.06.20
申请人	EKSTROM JR REGNER A	发明人	JR. REGNER A. EKSTROM,
分类号	H01H35/40;H01H36/00	主分类号	H01H35/40
代理机构		代理人
主权项
地址

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