Rules for the protection of telecommunication and signalling lines and devices against dangerous and disturbing influences of the 25 kV, 50 c/s electric traction
NORM herausgegeben am 1.5.1991
Designation standards: STN 342040:1968/c
Classification mark: 342040
Catalog number: 57882
Note: Änderung
Publication date standards: 1.5.1991
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard