(NkONTAKTNYE OSWETLITELI DLQ O^ISTKI WODY (B/s - (NmINC(B, (Nd(B.(Nm(B.s; (NmINISTERSTWO KOMUNNALXNOGO HOZQJSTWA rsfsrs; (NaKADEMIQ KOMMUNALXNOGO HOZQJSTWA IM(B. (Nk(B.(Nd(B. (NpAMFILOWAs ((NmOSKWA (B:s (Nm(B-(NWO KOMMUNALXNOGO HOZQJSTWA(B,s, 1955)
Keywords: (NwODNOE HOZQJSTWOs; (NKONTAKTNAQ KOAGULQCIQs -- (NFILXTRACIQ SUSPENZIJs