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发明名称
CONNECTION STATE READ SYSTEM FOR CHANNEL SWITCH
摘要
申请公布号
JPH04291562(A)
申请公布日期
1992.10.15
申请号
JP19910055333
申请日期
1991.03.20
申请人
NEC CORP;NEC COMMUN SYST LTD
发明人
TOBE MICHIKO;MOTOMURA KAZUMI
分类号
H04M3/26;H04Q3/545
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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