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Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Mechanical properties of the metal of welded joints and cladded surfaces
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Welded joints in steel structures of railway rolling stock. Ultrasonic testing methods
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Hollow glass microspheres. Method for determination of density
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State system for insuring the uniformity of measurements. The national traceability chain for instruments measuring the mass and volumetric (the mass and the volume) flow of liquid
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