Improvements in or relating to methods and means for welding metals and to method and means for manufacturing electron discharge device electrodes,申请号GB19340028324-传众专利搜索

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发明名称	Improvements in or relating to methods and means for welding metals and to method and means for manufacturing electron discharge device electrodes
摘要
申请公布号	GB428667(A)	申请公布日期	1935.05.16
申请号	GB19340028324	申请日期	1934.10.03
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	B23K28/00	主分类号	B23K28/00
代理机构		代理人
主权项
地址

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