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Crude petroleum and petroleum products. Determination of density, relative density and API gravity. Hydrometer method

Document status: Active

Synthetic fatty acids. Photocolometric determination of colourity by iodometric scale

Document status: Active

Coals and anthracite. Determination method for microhardness and microbrittleness

Document status: Active

Oils synthetic MAS-30NK. Technical requirements

Document status: Replaced by GOST 21791-2022

Petroleum products. Method of test for coking by apparatus 'LKN-70'

Document status: Active

Mining equipment. Mine belt stage loader. General technical requirements and test methods

Document status: Active