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Iron ores of iron quartzite type. Method for determination of magnetite iron
Document status: Active
Coal-tar oil for wood impregnation. Specifications
Document status: Replaced by GOST 2770-2025
Mining equipment. Multipurpose safety systems for coal mines. System for searching and localization persons in accident. General technical requirements and test methods
Document status: Active
Testing of chemicals of human hazard. Chronic toxicity studies
Document status: Active