Russian standards PDF
The preservation of cultural heritage. Terms and definitions. Part 5. Wooden architecture
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The preservation of cultural heritage. Terms and definitions. Part 6. Stone architecture
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Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Method for determination of resistance to liquid chemical, including water
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Automobile roads and airfields. Unevenness measurement methods for base courses and pavements
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