Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps,申请号GB19460030966-传众专利搜索

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发明名称	Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps
摘要
申请公布号	GB635984(A)	申请公布日期	1950.04.19
申请号	GB19460030966	申请日期	1946.10.17
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J9/40	主分类号	H01J9/40
代理机构		代理人
主权项
地址

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