Mechanical vibration; balance quality requirements of rigid rotors; determination of permissible residual unbalance; identical with ISO 1940-1:1986— 15 стр.
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and specifications; German version EN 292-2:1991 + A1:1995— 47 стр.
Machine tools. Dimensions and geometric tests for self-centring chucks with two-piece jaws. Manually operated chucks with tongue and groove type jaws— 18 стр.