Geometrical product specifications (GPS) -- ISO code system for tolerances on linear sizes -- Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts— 60 стр.
Pumps. Rotodynamic pumps. Glandless circulators having a rated power input not exceeding 200 W for heating installations and domestic hot water installations. Noise test code (vibro-acoustics) for measuring structure- and fluid-borne noise— 30 стр.
