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发明名称
LINE CHANGEOVER DEVICE
摘要
申请公布号
JPH0497626(A)
申请公布日期
1992.03.30
申请号
JP19900215028
申请日期
1990.08.16
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
HORIGOME MEGUMI;KATOYA YUTAKA;OYAMA TORU;TAMURA YOSHIFUMI;HANAOKA HIDEAKI;KATO YUJI;SATO HIDEHIKO;HOSOYA KOICHI;HAYAKAWA JUNICHI
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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