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发明名称
SWITCH SELECTION SYSTEM
摘要
PURPOSE:To make it possible to insert contacts corresponding to the first and second path selective relays at single switch into the driving current channel connecting section of switch in series, so that the size of equipment can be minimized.
申请公布号
JPS52138809(A)
申请公布日期
1977.11.19
申请号
JP19760055261
申请日期
1976.05.17
申请人
NIPPON ELECTRIC CO
发明人
NAGASAWA SHIGENOBU
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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