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发明名称
TRUNK ACQUISITION SYSTEM FOR MULTI-SLOT CALL
摘要
申请公布号
JPH03123299(A)
申请公布日期
1991.05.27
申请号
JP19890261646
申请日期
1989.10.06
申请人
NEC CORP
发明人
SUGITA JUN
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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