AUTOMATIC EXCHANGE SERVICE CHANNEL GROUP CONNECTION LIMITING DEVICE,申请号JP19770082727-传众专利搜索

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发明名称	AUTOMATIC EXCHANGE SERVICE CHANNEL GROUP CONNECTION LIMITING DEVICE
摘要
申请公布号	JPS5417607(A)	申请公布日期	1979.02.09
申请号	JP19770082727	申请日期	1977.07.11
申请人	TOHOKU ELECTRIC POWER CO	发明人	FUJISHIMA JIYUN
分类号	H04M3/42;H04M3/38;H04Q3/58	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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