Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements— 14 стр.
Building material machines - Mixers for concrete and mortar - Part 2: Procedure for the examination of the mixing efficiency of concrete mixers— 11 стр.
Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures; German version EN 74-1:2005— 39 стр.