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经营范围
发明名称
RELAY DRIVING CIRCUIT
摘要
PURPOSE:To make the circuit small in size and to economize the circuit, by operating the C position relay only when a pulse input arrives, in trunks of the exchanger.
申请公布号
JPS5362406(A)
申请公布日期
1978.06.03
申请号
JP19760138187
申请日期
1976.11.16
申请人
NIPPON ELECTRIC CO
发明人
KOBAYASHI TSUNEO;KANEKO YUKIYOSHI
分类号
H04Q1/32;H04Q3/42
主分类号
H04Q1/32
代理机构
代理人
主权项
地址
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