Quality requirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements (ISO 3834-1:2005); German version EN ISO 3834-1:2005— 12 стр.
Safety of machinery - Basic concepts, general principles for design - Part 1: Basic terminology, methodology (ISO 12100-1:2003); German version EN ISO 12100-1:2003— 42 стр.
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles (ISO 12100-2:2003) German version EN ISO 12100-2:2003— 40 стр.