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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
Petroleum bitumen. Method for determination of ash content
Document status: Active
Manganese ores, concentrates and agglomerates. Method for determination of lead
Document status: Active
Iron ores, concentrates, agglomerates and pellets. Methods for the determination of total iron
Document status: Active
Combustible natural gases. Calculation method for determination of calorific value, specific gravity and Wobbe index
Document status: Withdrawn