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经营范围
发明名称
LINE SWITCHING DEVICE
摘要
申请公布号
JPS6346858(A)
申请公布日期
1988.02.27
申请号
JP19860191315
申请日期
1986.08.14
申请人
NEC CORP
发明人
HIUGA SHIGETOMO
分类号
H04M11/00
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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