Plastics piping systems - Joints for glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods for leaktightness and resistance to damage of flexible and reduced articulation joints; German version EN 1119:1996— 7 стр.
Bonded abrasive products - Permissible unbalances of grinding wheels as delivered - Static testing (ISO 6103:2005); German version EN ISO 6103:2005— 13 стр.