Withdrawn Norm
The Norm standard ÖNORM EN 13523-20:2019 08 01 was withdrawn on 01.07.2020 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 13523-20
The Norm standard ÖNORM EN 13523-20:2019 08 01 was withdrawn on 01.07.2020 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 13523-20