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发明名称
INDIVIDUAL SERVICE OFFERING SYSTEM FOR ELECTRONIC AUTOMATIC EXCHANGE
摘要
申请公布号
JPH03283863(A)
申请公布日期
1991.12.13
申请号
JP19900083586
申请日期
1990.03.30
申请人
NEC CORP
发明人
KIKUCHI OSAMU
分类号
H04M3/42;H04M7/06;H04Q3/545
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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