Magnetic valve for well plunger,申请号US19600065029-传众专利搜索

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发明名称	Magnetic valve for well plunger
摘要
申请公布号	US3055306(A)	申请公布日期	1962.09.25
申请号	US19600065029	申请日期	1960.10.26
申请人	CAMCO, INCORPORATED	发明人	TAUSCH GILBERT H.
分类号	F16K31/08	主分类号	F16K31/08
代理机构		代理人
主权项
地址

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