Improvements in electromagnetic relays operating on alternating current,申请号GB19290007977-传众专利搜索

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发明名称	Improvements in electromagnetic relays operating on alternating current
摘要
申请公布号	GB329072(A)	申请公布日期	1930.05.15
申请号	GB19290007977	申请日期	1929.03.11
申请人	CHABSA CHECHELOVSKY;CAMILLE LARDOT	发明人
分类号	H01H51/30	主分类号	H01H51/30
代理机构		代理人
主权项
地址

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