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发明名称
CALL PATH NETWORK SWITCHING CONTROL SYSTEM
摘要
PURPOSE:To obtain the call path driving unit number in accordance with the call quantity of the call path control network, by using the matrix-formed switching contact group at the switching unit section.
申请公布号
JPS52140214(A)
申请公布日期
1977.11.22
申请号
JP19760056494
申请日期
1976.05.19
申请人
HITACHI LTD
发明人
HOSHI TOORU
分类号
H04Q3/64;H04Q3/00
主分类号
H04Q3/64
代理机构
代理人
主权项
地址
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