SN EN 491:2011现行
Concrete Roofing Tiles And Fittings For Roof Covering And Wall Cladding - Test Methods
出版：Swiss Standards
专家解读视频
Describes test methods for concrete roofing tiles and fittings conforming to EN 490, for assembly into pitched roof covering or external wall cladding or internal wall lining cladding.
Also numbered as SIA 232.002. (05/2012)
UNE EN 491:2012 - Identical
SS EN 491 Ed. 3 (2011) - Identical
NF EN 491:2011 - Identical
UNI EN 491:2011 - Identical
NEN EN 491:2011 - Identical
NBN EN 491:2011 - Identical
BS EN 491:2011 - Identical
