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GOST 19609.4-89
Concentrated kaolin. Method for determination of calcium oxide
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GOST R 55737-2013
Mining equipment. Mine electric locomotive transport. Accumulator electric locomotives. General technical requirements and test methods
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GOST ISO 17078-2-2014
Petroleum and natural gas industries. Drilling and production equipment. Part 2. Flow-control devices for side-pocket mandrels. General technical requirements
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