Operating stairs with a helical course, made of metal; safety requirements
NORM herausgegeben am 1.2.1988
Designation standards: ÖNORM Z1615
Note: UNGÜLTIG
Publication date standards: 1.2.1988
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM