NEN 3661
Window frames - Air permeability, water tightness, rigidity and strength - Requirements
inactive
| Organization: | NEN |
| Publication Date: | 1 July 1975 |
| Status: | inactive |
Document History
April 1, 1995
Window frames (doors, windows, curtain walling) - Air permeability, watertightness, rigidity and strength - Requirements
A description is not available for this item.
August 1, 1988
Window frames - Air permeability, water tightness, rigidity and strength - Requirements
A description is not available for this item.
NEN 3661
July 1, 1975
Window frames - Air permeability, water tightness, rigidity and strength - Requirements
A description is not available for this item.