Noise and cross-talk reduction in telephone communication circuits,申请号US19350048373-传众专利搜索

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发明名称	Noise and cross-talk reduction in telephone communication circuits
摘要
申请公布号	US2111023(A)	申请公布日期	1938.03.15
申请号	US19350048373	申请日期	1935.11.05
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	DIXON JOHN TILLOTSON
分类号	H04J1/12	主分类号	H04J1/12
代理机构		代理人
主权项
地址

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