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发明名称
SYSTEM FOR HELPING TERMINAL INVALID HOLDING
摘要
申请公布号
JPH01255354(A)
申请公布日期
1989.10.12
申请号
JP19880083824
申请日期
1988.04.05
申请人
NEC CORP
发明人
SAKURAI HISAYO
分类号
H04M3/22;H04Q3/545
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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