Russian standards PDF
Wood protective means. Express-method of testing inflammable protective ability
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Rails of the Ð 38 and Ð 43 types. Technical specifications
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Acoustics. Determination of sound power levels of noise from air-terminal devices, dampers and valves by measurement in a reverberation room
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Explosive atmospheres. Part 19. Equipment repair, overhaul and reclamation
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Explosive atmospheres. Part 25. Intrinsically safe systems
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Cranes. Limiting and indicating devices. Part 4. Jib cranes
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