
CLAY ROOFING TILES AND FITTINGS - PRODUCT DEFINITIONS AND SPECIFICATIONS
出版:Comite Europeen de Normalisation

專家解讀視頻
Specifies the minimum requirements for a product which if satisfactory at the time of delivery will ensure that the product is able to perform its function in relation to the performance levels declared for it, whilst subjected to the changes that occur in such materials during normal conditions of use.