ICS91.120.30Q17团体标准T/SZWA005-2021混凝土内掺型自修复防水材料应用管理规程Code for application and management of self repairing waterproofmaterials mixed in concrete2021-12-11发布...
级中国船级社散装运输液化气体船舶构造与设备规范RULES FOR CONSTRUCTION AND EQUIPMENT OFSHIPS CARRYING LIQUEFIED GASES IN BULK修改通报AMENDMENTS20222022年7月1日生效Effective from 1 Ju...
DEUTSCHE NORMDezember 2011DIN EN ISO 7046-2DIN1CS21.060.10Ersatz furDIN EN IS07046-2:1994-10Senkschrauben(Einheitskopf)mit Kreuzschlitz Form H oder Form Z-Produktklasse A-Teil 2:Sc...
ICS23.040.10H48GB中华人民共和国国家标准GBT13295-2003代替GB/T13294-1991GB/T13295-1991水及燃气管道用球墨铸铁管、管件和附件Ductile iron pipes,fittings and accessories for water or gas...