Party-line arrangements for automatic telephone switching systems,申请号US19580774893-传众专利搜索

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发明名称	Party-line arrangements for automatic telephone switching systems
摘要
申请公布号	US3033933(A)	申请公布日期	1962.05.08
申请号	US19580774893	申请日期	1958.11.19
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	BEASLEY HAROLD ARTHUR
分类号	H04Q3/00;H04Q5/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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