Improvements in or relating to electro-magnetic relays,申请号GB19300018707-传众专利搜索

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发明名称	Improvements in or relating to electro-magnetic relays
摘要
申请公布号	GB357234(A)	申请公布日期	1931.09.21
申请号	GB19300018707	申请日期	1930.06.19
申请人	STANDARD TELEPHONES AND CABLES, LIMITED;ROBERT SAINT GEORGE PERRY	发明人
分类号	H01H50/24	主分类号	H01H50/24
代理机构		代理人
主权项
地址

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