Withdrawn Norm
The Norm standard ÖNORM EN 491:2011 03 01 was withdrawn on 15.10.2011 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 491
The Norm standard ÖNORM EN 491:2011 03 01 was withdrawn on 15.10.2011 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 491