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Petroleum and natural gas industries. Downhole equipment. Subsurface safety valve equipment. General technical requirements
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Concentrated kaolin. Method for determination of manganese oxide (II)
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Hydrochloric acid for industrial use. Determination of iron content 2,2`-bipyridyl spectrophotometric method
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Petroleum and petroleum products. Method for determination of vanadium
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Solid recovered fuels. Determination of moisture content using the oven drying. Part 1. Total moisture. Reference method
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