Gas pressure regulator,申请号US19400332529-传众专利搜索

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发明名称	Gas pressure regulator
摘要
申请公布号	US2288733(A)	申请公布日期	1942.07.07
申请号	US19400332529	申请日期	1940.04.30
申请人	PITTSBURGH EQUITABLE METER COMPANY	发明人	NIESEMANN FRITZ
分类号	G05D16/06	主分类号	G05D16/06
代理机构		代理人
主权项
地址

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