"RIV/25166972:_____/03:20/02-04!RIV/2004/CBU/EGC004/N" . "Regulation of the Czech Mining Office No. 22/1989 Sb."@en . . . "P(AACBUAR)" . . . "N\u00E1vrh novely Vyhl\u00E1\u0161ky \u010CB\u00DA \u010D 22/1989 Sb." . . "Bezpe\u010Dnost pr\u00E1ce a provozu" . "New requirements for electric equipment into the legal regulations of the mining authority are recommended, relative to technical requirements for electrical power networks used in the 1st, 2nd and 3rd grade of mechanical shock danger and of methane and carbonaceous dust explosion, with emphasis to operation and work safety viewpoint."@en . . . . . "Electrical power networks in mines; electrical equipment in mines; protective grounding syst\u00E9m; neutral-earthing methods; resistance earthing; arc-suppression coil earthing; earth- fault protection;"@en . . "N\u00E1vrh novely Vyhl\u00E1\u0161ky \u010CB\u00DA \u010D 22/1989 Sb."@cs . "Bezpe\u010Dnost pr\u00E1ce a provozu" . . "[668B91DB7C23]" . . . "1"^^ . "RIV/25166972:_____/03:20/02-04" . "Vyhl\u00E1\u0161ka \u010D. 22/1989 Sb." . "617331" . . "Macura, Jan" . . "0"^^ . "1"^^ . "N\u00E1vrh novely Vyhl\u00E1\u0161ky \u010CB\u00DA \u010D 22/1989 Sb."@cs . "0"^^ . . "\u010Cesk\u00FD b\u00E1\u0148sk\u00FD \u00FA\u0159ad" . . "Nov\u00E9 po\u017Eadavky do b\u00E1\u0148sk\u00FDch pr\u00E1vn\u00EDch p\u0159edpis\u016F, vztahuj\u00EDc\u00ED se k\u00A0technick\u00FDm po\u017Eadavk\u016Fm na za\u0159\u00EDzen\u00ED u\u017E\u00EDvan\u00E1 v\u00A0prost\u0159ed\u00ED s 1., 2. nebo ve 3. stupni nebezpe\u010D\u00ED ot\u0159es\u016F a nebezpe\u010D\u00EDm v\u00FDbuchu metanu nebo uheln\u00E9ho prachu z hlediska BP p\u0159i provozu." . "Regulation of the Czech Mining Office No. 22/1989 Sb."@en . . . . "N\u00E1vrh novely Vyhl\u00E1\u0161ky \u010CB\u00DA \u010D 22/1989 Sb." .