GOST 24481-80

The railway transport objects testing methods of prolongation operating cycle. Part 1. Power transformers and auto transformers for railway power substations, transform substations and power supply linear devices

Tolerances for fasteners - Part 1: bolts, screws, studs and nuts - product grades A, B and C

Information technology. Security techniques. A framework for identity management. Part 2. Reference architecture and requirements

Inert powder. Specifications

Health informatics. Categorical structure for terminological systems of surgical procedures

Synchronous drive belts for automobiles. Determination of physical properties