DIN EN 50411-6-1:2012 Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 6-1: Unprotected microduct for category S and A; German version EN 50411-6-1:2011
2012DIN EN 50411-6-1:2012 Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 6-1: Unprotected microduct for category S and A; German version EN 50411-6-1:2011