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经营范围
发明名称
MULTIPLEX DATABASE SYSTEM
摘要
申请公布号
JPH04126434(A)
申请公布日期
1992.04.27
申请号
JP19890315848
申请日期
1989.12.04
申请人
NEC CORP
发明人
SEKIGUCHI KATSUMI
分类号
H04M3/42;H04M3/00;H04M3/533;H04M7/06
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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