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发明名称
TRANSMISSION LINE SWITCHING SYSTEM
摘要
申请公布号
JPS6247218(A)
申请公布日期
1987.02.28
申请号
JP19850186506
申请日期
1985.08.23
申请人
NEC CORP
发明人
NAMIKADO NAGAHIKO
分类号
H04B1/74
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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