Improvements in or relating to arrangements for amplifying centrimetre and decimetre waves, comprising a travelling wave tube,申请号GB19490023027-传众专利搜索

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发明名称	Improvements in or relating to arrangements for amplifying centrimetre and decimetre waves, comprising a travelling wave tube
摘要
申请公布号	GB682515(A)	申请公布日期	1952.11.12
申请号	GB19490023027	申请日期	1949.09.06
申请人	PHILIPS ELECTRICAL LIMITED	发明人
分类号	H01J23/30	主分类号	H01J23/30
代理机构		代理人
主权项
地址

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