Russian standards PDF
Concrete. Determination of strength by immersion depth dowel – nail
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Crane reinforced concrete beams with a span of 6 and 12 m for cranes with a load capacity of up to 32 tons. Specifications
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Optics and photonics. Optical details. Typical technological processes for applying one-, two- and three-layer antireflection coatings to optical parts made of non-silicate chemically unstable glasses
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Optics and photonics. Optical details. The standard technological process of deposition of dielectric reflective and light dividing coatings
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Metal pipes penetrations through fire rated constructions. Fire resistance test
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Quality control of drinking water supplied by centralized water supply systems. General recommendations for consumers
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