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Petroleum and natural gas industry. Subsea production systems. Wellhead equipment. Choke module
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Palladium-silver-copper alloys. Method of the determination of copper and silver
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Primary magnesium. Spectral method for determination of silicon, iron, nickel, aluminium, copper and manganese
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Household and similar electrical appliances. Safety. Part 2-49. Particular requirements for commercial electric appliances for keeping food and crockery warm
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