Combination pressure regulating and shut-off valve,申请号US19300425409-传众专利搜索

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发明名称	Combination pressure regulating and shut-off valve
摘要
申请公布号	US1874293(A)	申请公布日期	1932.08.30
申请号	US19300425409	申请日期	1930.02.03
申请人	HOWARD HOOK CHARLES;MERCUR NATHAN L	发明人	HOOK CHARLES HOWARD;MERCUR NATHAN L.
分类号	G05D16/06;G05D16/20	主分类号	G05D16/06
代理机构		代理人
主权项
地址

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