(N|LEKTROBEZOPASNOSTX NA PREDPRIQTIQH SWQZI (B/s - (NsPIWAK(B, (NgRIGORIJ iSAAKOWI^s ((NmOSKWA (B:s (NsWQZX(B,s, 1975)
(NbIBLIOGR(B.: (NS(B. 188 (11 (NNAZW(B.)s
Keywords: (NkOMMUNIKACIQs; (NKABELXNYE LINII SWQZIs; (NWOZDU[NYE LINII SWQZIs