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发明名称
LINE CHANGEOVER DEVICE
摘要
申请公布号
JPH04282924(A)
申请公布日期
1992.10.08
申请号
JP19910070462
申请日期
1991.03.12
申请人
NEC CORP
发明人
KUNITSUCHI JIYUNICHI
分类号
H04B1/74;H04J3/00;H04L1/22
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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