Russian standards PDF
Mining machinery. Powered roof supports. Hydraulic control systems. Safety requirements and test methods
Document status: Active
Shaftline conical joints. Types, construction and dimensions
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Unified system of corrosion and ageing protection. Hermetic materials. Methods test
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Explosive atmospheres. Electrical resistance trace heating. Part 30-2. Application guide for design, installation and maintenance
Document status: Active
Medical electrical equipment. Dose area product meters
Document status: Active