Comité Europeu de Normalização. Gypsum plasterboards [Documento electrónico] : definitions, requirements and test methods : EN 520:2004+A1 / European Committee for Standardization

Gypsum plasterboards [Documento electrónico] : definitions, requirements and test methods : EN 520:2004+A1 / European Committee for Standardization . - Brussels : CEN, cop. 2009 . - 54 p. . - (European Standard; EN 520:2004+A1)
691.53
692.2
666.91
620.17