ONORM B 3421-1988
Fibre-cement slates (FZ-DP) for roofing; requirements, testing, marking of conformity

Standard No.

ONORM B 3421-1988

Release Date

1988

Published By

AT-ON

Latest

ONORM B 3421-1988

ONORM B 3421-1988 history

• 1988 ONORM B 3421-1988 Fibre-cement slates (FZ-DP) for roofing; requirements, testing, marking of conformity