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发明名称
HOLDING EXTENSION NOTICE SYSTEM
摘要
申请公布号
JPH0355951(A)
申请公布日期
1991.03.11
申请号
JP19890191716
申请日期
1989.07.24
申请人
NEC CORP
发明人
TOBE MICHIKO
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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