Withdrawn Norm
The Norm standard ÖNORM EN 331:1990 07 01 was withdrawn on 01.04.1998 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 331
The Norm standard ÖNORM EN 331:1990 07 01 was withdrawn on 01.04.1998 and is no longer available. The currently valid standard can be viewed here: ÖNORM EN 331