ONORM B 3377-1999 Gypsum for building purposes - Gypsum plaster for mounting of gypsum building elements - Definitions, requirements, tests, marking of conformity
1999ONORM B 3377-1999 Gypsum for building purposes - Gypsum plaster for mounting of gypsum building elements - Definitions, requirements, tests, marking of conformity
1984ONORM B 3377-1984 Gypsum for building purposes; gypsum plaster for mounting of gypsum building elements; definitions, requirements and marking of conformity