Method and means for producing high frequencies,申请号US19300453394-传众专利搜索

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发明名称	Method and means for producing high frequencies
摘要
申请公布号	US1854986(A)	申请公布日期	1932.04.19
申请号	US19300453394	申请日期	1930.05.17
申请人	GENERAL ELECTRIC COMPANY	发明人	FITCH WILLIAM A.
分类号	H03B21/02	主分类号	H03B21/02
代理机构		代理人
主权项
地址

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