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发明名称
MULTI-STEP CALL CONNECTION METHOD FOR INFORMATION PROVIDER CONNECTION OF DIFFERENT NETWORK
摘要
申请公布号
KR100248414(B1)
申请公布日期
2000.03.15
申请号
KR19970070324
申请日期
1997.12.19
申请人
KOREA TELECOM CORP.;KOREA ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人
PARK, CHANG MIN;YUN, KYOUNG OK
分类号
H04Q5/00;(IPC1-7):H04Q5/00
主分类号
H04Q5/00
代理机构
代理人
主权项
地址
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