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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
Document status: Active
Vertical apparatus with mechanical agitating devices. General technical requirements
Document status: Replaced by GOST 20680-2002
Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Method for determination of metallic iron
Document status: Active
Solid biofuel. Fuel specifications and classes. Part 1. General requirements
Document status: Replaced by GOST 33103.1-2017