Appliance couplers for household and similar general purposes. Part 2-3. Particular requirements for appliance couplers with a degree of protection higher than IPXO and methods of tests
Direct acting indicating analogue electrical measuring instruments and their accessories. Part 1. Definitions and general requirements common to all parts
Aviation engines and their units. Indexation of parameters of air (gas) condition on sections of air-gas channel aviation engines and air-gas systems connected with them
