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发明名称
TRANSMISSION LINE SWITCHING SYSTEM
摘要
申请公布号
JPH03187529(A)
申请公布日期
1991.08.15
申请号
JP19890326915
申请日期
1989.12.15
申请人
NEC CORP;NEC MIYAGI LTD
发明人
HAYASHIDA MASASHI;MATSUMOTO MASAYOSHI;OKUYAMA MAKIO
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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