Improvements in or relating to oxide cathodes,申请号GB19600007567-传众专利搜索

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发明名称	Improvements in or relating to oxide cathodes
摘要
申请公布号	GB947999(A)	申请公布日期	1964.01.29
申请号	GB19600007567	申请日期	1960.03.03
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H01J1/26;H01J9/04	主分类号	H01J1/26
代理机构		代理人
主权项
地址

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