Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Test method for determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions
State system for ensuring the uniformity of measurements. Contact (stylus) instruments for the measurement of surface roughness. Procedure of calibration
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 9. Preferred test conditions for the determination of reference hearing threshold levels
State system for ensuring the uniformity of measurements. Measurements of coefficients of regular and diffuse transmittance of ultraviolet radiation. Methods for measurements
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