Improvements in and relating to polarised relays,申请号GB19330015027-传众专利搜索

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发明名称	Improvements in and relating to polarised relays
摘要
申请公布号	GB402679(A)	申请公布日期	1933.12.07
申请号	GB19330015027	申请日期	1933.05.24
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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