BS EN 15804-2019建设工程的可持续性.环境无害产品声明.产品分类和建筑产品的核心规则（英文）VIP

BSEN15804:2012+A2:2019IncorporatingcorrigendaFebruary2014,July2020andAugust2021BSIStandardsPublicationSustainabilityofconstructionworks-Environmentalproductdeclarations-Corerulesfortheproductcatego...