Withdrawn Norm
The Norm standard ÖNORM B 1997-1-1/A:2021 03 01 was withdrawn on 01.06.2021 and is no longer available. The currently valid standard can be viewed here: ÖNORM B 1997-1-1
The Norm standard ÖNORM B 1997-1-1/A:2021 03 01 was withdrawn on 01.06.2021 and is no longer available. The currently valid standard can be viewed here: ÖNORM B 1997-1-1