Pressure control device,申请号US19460713597-传众专利搜索

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发明名称	Pressure control device
摘要
申请公布号	US2558356(A)	申请公布日期	1951.06.26
申请号	US19460713597	申请日期	1946.12.02
申请人	DANCIGER OIL & REFINING COMPANY	发明人	GREENE DAVID H.
分类号	G05D16/10	主分类号	G05D16/10
代理机构		代理人
主权项
地址

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