(A) ;TELEPHONE STATE DETECTION SYSTEM,申请号JP19760023591U-传众专利搜索

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发明名称	(A) ;TELEPHONE STATE DETECTION SYSTEM
摘要
申请公布号	JPS52115106(U)	申请公布日期	1977.09.01
申请号	JP19760023591U	申请日期	1976.02.27
申请人		发明人
分类号	E02D27/26;E04C1/39;E04C1/40;(IPC1-7):E02D27/26	主分类号	E02D27/26
代理机构		代理人
主权项
地址

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