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发明名称
DEVICE FOR LIMITING INITIAL TELEPHONIC CALLS
摘要
申请公布号
SU849533(A1)
申请公布日期
1981.07.23
申请号
SU19792820407
申请日期
1979.09.04
申请人
SITNIKOV MIKHAIL G,SU;NIKULENOK LEONID P,SU
发明人
SITNIKOV MIKHAIL G,SU;NIKULENOK LEONID P,SU
分类号
H04M3/38;(IPC1-7):H04M3/38
主分类号
H04M3/38
代理机构
代理人
主权项
地址
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