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发明名称
SYSTEM FOR QUALITY SUPERVISION OF DEVICE BUSY SIGNAL,IN PARTICULAR RELAYS,RELAY UNITS AND REGISTERS IN TELECOMMUNICATION SYSTEMSROJJSTV,A GLAVNYM OBRAZOM RELE,KOMPLEKTOV RELE I REGISTROV V SISTEMAKH DAL'NEJJ SVJAZI
摘要
申请公布号
PL118796(B1)
申请公布日期
1981.10.31
申请号
PL19770197354
申请日期
1977.04.12
申请人
发明人
分类号
H04M3/22;H04M3/36;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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