METHOD FOR CHECKING OFFICE LINE CONNECTION OF TELEPHONE,申请号KR1019940024413-传众专利搜索

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发明名称	METHOD FOR CHECKING OFFICE LINE CONNECTION OF TELEPHONE
摘要
申请公布号	KR1019970005267(B1)	申请公布日期	1997.04.14
申请号	KR1019940024413	申请日期	1994.09.28
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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