Withdrawn Norm
The Norm standard ÖNORM EN 492:1991 07 01 was withdrawn on 01.05.1994 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 492
The Norm standard ÖNORM EN 492:1991 07 01 was withdrawn on 01.05.1994 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 492