Respiratory protective devices; SX gas filters and combined filters against specific named compounds; requirements, testing, marking; german version EN 372:1992— 5 стр.
Rotary positive displacement pumps - Performance tests for acceptance; German version EN 14343:2005, Corrigendum to DIN EN 14343:2006-11; German version EN 14343:2005/AC:2008— 2 стр.