APPARATUS FOR REGISTERING PREPAYMENT OF TELEPHONE CALLS

申请公布号：SU633160(A1)

申请号：SU19762429960

申请日期：1976.12.16

申请公布日期：1978.11.15

申请人：

BUKHVINER VILEN EFIMOVICH,SU

发明人：BUKHVINER VILEN EFIMOVICH,SU

分类号：H04M15/00;H04M17/00;(IPC1-7):H04M15/00

主分类号：H04M15/00

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