Diaphragm seal for pressure responsive devices,申请号US19470733048-传众专利搜索

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发明名称	Diaphragm seal for pressure responsive devices
摘要
申请公布号	US2517745(A)	申请公布日期	1950.08.08
申请号	US19470733048	申请日期	1947.03.07
申请人	THE WEATHERHEAD COMPANY	发明人	JR. ALBERT J. WEATHERHEAD,;PAQUIN JOSEPH N.
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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