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. State primary standard and state verification schedule for means measuring vibration displacement, vibration velocity and vibration acceleration over the frequency range from 1·10 -1 to 2·10 4 Hz
