State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means of measurements of constant linear acceleration of a solid body in the range from 10in minus 3 degree up to 2x10 in 2 degree m/s'2
Earth-moving machinery. Laboratory tests and performance requirements for protective structures of excavators. Part 2. Roll-over protective structures (ROPS) for excavators of over 6 t
