Withdrawn Norm
The Norm standard ÖNORM EN ISO 4531:2017 04 15 was withdrawn on 01.01.2018 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN ISO 4531
The Norm standard ÖNORM EN ISO 4531:2017 04 15 was withdrawn on 01.01.2018 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN ISO 4531