GOST R 57044-2016

Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 2. Group I engines for use in underground workings susceptible to fired amp and/or combustible dust

Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)

Occupational safety standards system. Safety colours, safety signs and signal marking. Purpose and rules of application. General technical requirements and characteristics. Methods of tests

Essential oils of citrus. Determination of CD value by ultraviolet spectrometric analysis

Reagents. Methods for determination of nitrites impurity

Ferroalloys, metal chromium and metal manganese. Methods for determination of carbon