Generic specification; connector sets for optical fibres and cables; part 1: requirements, test methods and qualification approval procedures; German version EN 186000-1:1993— 122 стр.
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the relative flexural creep factor following exposure to a chemical environment; German version EN 1862:1997— 7 стр.