DIN EN ISO 5167-1/A1:1998-06
Отменен
Measurement of fluid flow by means of pressure differential devices - Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full; Amendment A1 (ISO 5167-1-1991/AMD 1:1998); German version EN ISO 5167-1:1995/A1:1998
— 15 стр.
