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经营范围
发明名称
SYSTEM SWITCHING SYSTEM
摘要
申请公布号
JPH06338922(A)
申请公布日期
1994.12.06
申请号
JP19930127425
申请日期
1993.05.28
申请人
OKI ELECTRIC IND CO LTD;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
NAKAMURA HITOYA;SUDA HIDEKAZU
分类号
H04B1/74;H04L1/22;H04L29/10;H04L29/14;(IPC1-7):H04L29/14
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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