Russian standards PDF
Secondary cells and batteries containing alkaline or other non-acid electrolytes. Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications. Part 2. Lithium systems
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Device embedded substrate. Part 1-1. Generic specification. Test methods
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Manual control and stop valves for building water heating systems. General specifications
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Sleeve type iron plug valves with gland and blind flange for drainage for РN≥1,0 MPa (10 kgf/cm2)
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Wooden and composite doors. Determination of properties in different climatic conditions
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