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发明名称
PROCESSING METHOD FOR REOPENING MESSAGE IN ISDN EXCHANGE SYSTEM
摘要
申请公布号
JPS6489694(A)
申请公布日期
1989.04.04
申请号
JP19870247187
申请日期
1987.09.29
申请人
NEC CORP
发明人
OZAKI MITSUYOSHI
分类号
H04Q3/545
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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