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Hard coal and coke. Mechanical sampling. Part 6. Coke. Preparation of test samples

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Petroleum and natural gas industries. Reciprocating compressors

Document status: Cancelled

Non-metallic ore materials. Preparation of standard solutions and solutions for blank tests

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Pipes for use as casing or tubing and couplings for them. Basic parameters and inspection of thread connections. General technical requirements

Document status: Cancelled

Steel welded vessels and apparatus. General specifications

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Caprolactam. Determination of acidity, alkalinity and pH of 20 percent aqueous solution of caprolactam

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