Approximate calculation of reinforcement or openings in walls of boilers or pressure vessels
STANDARD published on 1.11.1977
Designation standards: ÖNORM M7301/Bbl1
Note: WITHDRAWN
Publication date standards: 1.11.1977
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM