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Bits for air drills and rotary percussive rigs. Types and basic dimensions
Document status: Active
Test methods for chemicals of environmental hazard. Assessment of inherent biodegradability using fisile ooze
Document status: Active
Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. General requirements for methods of chemical analysis
Document status: Active
Materials used for cooking and treatment of drilling water-based solution. Incoming inspection
Document status: Active
Oil products. Method for the determination of gross calorific value and calculation of net calorific value
Document status: Replaced by GOST 21261-2021
