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发明名称
ARRANGEMENT FOR BLOCKING A JUNCTOR OF AN AUTOMATIC SWITCHING SYSTEM
摘要
申请公布号
GB1543447(A)
申请公布日期
1979.04.04
申请号
GB19770016563
申请日期
1977.04.21
申请人
CIT ALCATEL
发明人
分类号
H04Q3/64;H04M7/14;H04Q3/00;(IPC1-7):H04M3/00
主分类号
H04Q3/64
代理机构
代理人
主权项
地址
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