Norm
[AKTUELL]
ABNT NBR 8451-3
ABNT NBR 8451-3
Reinforced and prestressed concrete pole for electric power distribution and transmission lines Part 3: Mechanical tests, armature concrete cover and general inspection
Titel (englisch)
Reinforced and prestressed concrete pole for electric power distribution and transmission lines Part 3: Mechanical tests, armature concrete cover and general inspection