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Solid biofuel. Fuel specifications and classes. Part 6. Graded non-woody pellets
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Aviation fuels and petroleum distillates. Determination of aromatic hydrocarbon types by high performance liquid chromatography method with refractive index detector
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Petroleum and natural gas industries. Rotary drilling equipment. Part 2. Inspection and classification of used drill stem elements. General technical requirements and control methods
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Vessels and apparatuses. Norms and methods of strength calculation for openings reinforcement
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