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经营范围
发明名称
ABSENCE TRANSFER SYSTEM
摘要
申请公布号
JPH01278158(A)
申请公布日期
1989.11.08
申请号
JP19880106026
申请日期
1988.04.29
申请人
NEC CORP
发明人
KOUTATSU SUMIE
分类号
H04M3/54
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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