Regulatory document on standardization. Procedural guidelines. Quality standard for heating and make-up water of hot-water boilers, organization of water chemistry and chemical control
Calculation procedure for durability of spring set (turns), spring suppression of the railway rolling stock under the action of longitudinal and combined loads
Mass concentration of nitrogen oxide and nitrogen dioxide in atmosphere air samples. The procedure of measurement by photometric method using sulfanilic acid and I-naphthylamine
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