Fiberglass reinforced thermosetting plastic pipes and part of pipelines. Methods for determination of the resistance to chemical attack for the inside of a section in a deflected condition
State system for ensuring the uniformity of measurements. Metals and alloys. Vickers hardness test. Part 2. Verification and calibration of testing machines
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 6. Reference threshold of hearing for test signals of short duration
