Apparatus for high frequency electric signaling,申请号US19280291976-传众专利搜索

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发明名称	Apparatus for high frequency electric signaling
摘要
申请公布号	US1930505(A)	申请公布日期	1933.10.17
申请号	US19280291976	申请日期	1928.07.11
申请人	ASSOCIATED ELECTRICAL INDUSTRIES LIMITED	发明人	BROWN WALTER JOHN
分类号	H03B9/01	主分类号	H03B9/01
代理机构		代理人
主权项
地址

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