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发明名称
DEVICE FOR SENDING EMERGENCY SIGNAL ALONG TELEPHONIC LINES
摘要
申请公布号
SU788430(A1)
申请公布日期
1980.12.15
申请号
SU19792716400
申请日期
1979.01.02
申请人
G PK NII PO AVTOM UGOLNOJ PROMYSHLENNOSTI
发明人
ORLOV PAVEL S,SU;USHAKOV NIKOLAJ A,SU;BELYAK PETR P,SU;NAGAEV VASILIJ ,SU
分类号
H04M1/27;(IPC1-7):H04M1/27
主分类号
H04M1/27
代理机构
代理人
主权项
地址
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