Russian standards PDF
Noise of machines. Reciprocating internal combustion engine driven alternating current generating sets. Measurement of airborne noise by the enveloping surface method
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Reciprocating internal combustion engines. Safety requirements for design and construction of engines for use in potentially explosive atmospheres. Part 3. Group III engines for use in flammable dust atmospheres
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Non-electrical equipment for use in potentially explosive atmospheres. Part 6. Protection by control of ignition source 'b'
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Group I, equipment protection level Ma intended to remain functional in atmosphere endangered by firedamp and/or coal dust
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Mixed fodders, raw mixed fodders. Determination of aminoacids (lysine, methionine, threonine, cystine and tryptophan) content by method of capillary electrophoresis
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