Improvements in or relating to electric discharge tubes for short-wave working,申请号GB19520009691-传众专利搜索

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发明名称	Improvements in or relating to electric discharge tubes for short-wave working
摘要
申请公布号	GB710990(A)	申请公布日期	1954.06.23
申请号	GB19520009691	申请日期	1952.04.17
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	A01B35/10;H01J21/36	主分类号	A01B35/10
代理机构		代理人
主权项
地址

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