Russian standards PDF
Explosive atmospheres. Technical requirements and test methods for endurance to environmental factors influencing the peculiarities of operation of equipment in explosive atmospheres
Document status: Active
Soils. Field methods for determining deformation characteristics
Document status: Replaced by GOST 20276-99
Refractory materials and products. Methods for the determination of silicon dioxide
Document status: Replaced by GOST 2642.3-97
Asphaltic concrete mixtures for roads and airdromes and asphaltic concrete. Specifications
Document status: Replaced by GOST 9128-97