Busy test arrangement for a telephone switching network,申请号US19620243144-传众专利搜索

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发明名称	Busy test arrangement for a telephone switching network
摘要
申请公布号	US3249699(A)	申请公布日期	1966.05.03
申请号	US19620243144	申请日期	1962.12.07
申请人	NORTH AMERICAN PHILIPS COMPANY INC.	发明人	MOL GERRIT;SCHMITZ MATTHEUS JACOBUS
分类号	H04Q3/52	主分类号	H04Q3/52
代理机构		代理人
主权项
地址

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