Stabilised vacuum tube variable frequency oscillators,申请号GB19420005659-传众专利搜索

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发明名称	Stabilised vacuum tube variable frequency oscillators
摘要
申请公布号	GB555771(A)	申请公布日期	1943.09.07
申请号	GB19420005659	申请日期	1942.04.28
申请人	FREDERICK GEORGE CLIFFORD	发明人
分类号	H03B5/28	主分类号	H03B5/28
代理机构		代理人
主权项
地址

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