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Explosive atmospheres. Part 39. Intrinsically safe systems with electronically controlled spark duration limitation
Document status: Active
Agricultural and forestry tractors. Roll-over protective structures on narrow-track wheeled tractors. Part 1. Front-mounted ROPS. Technical requirements and teat methods
Document status: Active
Unified system of corrosion and ageing protection. Metals, alloys, metal and non-metal inorganic coatings. Test methods at climatic test stations
Document status: Replaced by GOST 9.909-2023
Joints by inserted dowels for wooden split patterns and core boxes. Design
Document status: Active