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Combustible natural gases. Calculation method for determination of calorific value, specific gravity and Wobbe index
Document status: Withdrawn
Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
Document status: Cancelled
Petroleum products and bituminous materials. Determination of water by distillation method
Document status: Active
Iron ores and concentrates. Method for the determination of mineralogical type
Document status: Active
Zinc concentrates. Method for the determination of aluminium oxide
Document status: Active