Quality requirements for fusion welding of metallic materials - Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4 (ISO 3834-5:2015); German version EN ISO 3834-5:2015— 17 стр.
Hydrometry - Measurement of discharge by the ultrasonic transit time (time of flight) method (ISO/DIS 6416:2015); German and English version prEN ISO 6416:2015