Improvements in and connected with electric switches,申请号GB19290019158-传众专利搜索

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发明名称	Improvements in and connected with electric switches
摘要
申请公布号	GB335925(A)	申请公布日期	1930.09.22
申请号	GB19290019158	申请日期	1929.06.21
申请人	G M S PRODUCTS INCORPORATED	发明人
分类号	G04F3/02	主分类号	G04F3/02
代理机构		代理人
主权项
地址

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