
Underground works - Works contract - Part 1: Cyclic driving (conventional tunnelling)
STANDARD published on 1.12.2001
Designation standards: ÖNORM B2203-1
Note: WITHDRAWN
Publication date standards: 1.12.2001
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM