Pneumatic electric switch,申请号US19490075269-传众专利搜索

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发明名称	Pneumatic electric switch
摘要
申请公布号	US2556209(A)	申请公布日期	1951.06.12
申请号	US19490075269	申请日期	1949.02.08
申请人	SYDNEY R. KRAMER;EDWARD A. FALEY	发明人	NEGRO JOHN
分类号	H01H35/38	主分类号	H01H35/38
代理机构		代理人
主权项
地址

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