Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 4. Valve-proving systems for automatic shut-off valves

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Iron ores, concentrates, agglomerates and pellets. General requirements to the methods of chemical analyses

NEPLATNÁ vydaná dňa 1.1.1981

Iron ores, concentrates, agglomerates and pellets. Method of determination of hygroscopic water content

NEPLATNÁ vydaná dňa 1.1.1981

Iron ores, concentrates, agglomerates and pellets. Method for the determination of total iron

NEPLATNÁ vydaná dňa 1.1.1982

Iron ores, concentrates, agglomerates and pellets. Methods of determination of manganese protoxide content

NEPLATNÁ vydaná dňa 1.1.1981

Iron ores, concentrates, agglomerates and pellets. Method for the determination of divalent iron calculated as ferrous oxide

NEPLATNÁ vydaná dňa 1.1.1981

Iron ores, concentrates, agglomerates and pellets. Method of the determination of titanium dioxide content

NEPLATNÁ vydaná dňa 1.1.1981

Iron ores, concentrates, agglomerates and pellets. Methods of the determination of capper content

NEPLATNÁ vydaná dňa 1.1.1981

Mounting of electric and radioelectronic equipment and instruments. Technical requirements for braids and their fastening

NEPLATNÁ vydaná dňa 1.7.1980

System of ensuring of geometrical accuracy in construction. Statistical analysis of accuracy

NEPLATNÁ vydaná dňa 1.1.1980