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发明名称
TRUNK LINE CONNECTION METHOD
摘要
申请公布号
JPH03204262(A)
申请公布日期
1991.09.05
申请号
JP19890343185
申请日期
1989.12.29
申请人
JAPAN RADIO CO LTD;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
BANDAI AKIRA;KUMAGAI HIROSHI;MIZUNO MASASHI;WAKABAYASHI HAJIME;HORIGOME SEIICHI
分类号
H04M1/00;H04M11/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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