(NiSKROBEZOPASNYJ PEREDATO^NYJ STOL DLQ SWQZI [AHTNYH ABONENTOW cb S ats (B/s - (NrOLXNIK(B, (NmIHAIL aBRAMOWI^(B.s ((NmOSKWA (B: s (NuGLETEHIZDAT(B,s, 1959)
Keywords: (NrUDNI^NAQ TELEFONNAQ SWQZX(B, (NISKROBEZOPASNAQs