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发明名称
DIRECTORY SERVICE METHOD FOR PRIVATE BRANCH EXCHANGE HAVING MULTI- LINE FUNCTION
摘要
申请公布号
KR1019910003944(B1)
申请公布日期
1991.06.17
申请号
KR1019880007800
申请日期
1988.06.27
申请人
发明人
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主分类号
代理机构
代理人
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