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发明名称
EMBODYING METHOD FOR SUBSCRIBER SERVICE REGISTERING, CANCELLING, CONFIRMING FUNCTION IN FULL-ELECTRONIC SWITCHBOARD
摘要
申请公布号
KR1019930007240(B1)
申请公布日期
1993.08.04
申请号
KR1019900022859
申请日期
1990.12.31
申请人
发明人
分类号
主分类号
代理机构
代理人
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