An improved polarised relay,申请号GB19290004025-传众专利搜索

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发明名称	An improved polarised relay
摘要
申请公布号	GB327233(A)	申请公布日期	1930.04.03
申请号	GB19290004025	申请日期	1929.02.06
申请人	TYER AND COMPANY LIMITED;JAMES WILLIAM PUNTER	发明人
分类号	H01H51/22	主分类号	H01H51/22
代理机构		代理人
主权项
地址

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