DB4202/T 8-2020 球墨铸铁管 铸管工序单位产品能源消耗限额附件大小:2.09MB附件格式:1个直链文件,格式为pdf 资源简介:ICs27.010CCS F 01 DB4202黄石市地方标准DB4202/T8—2020球墨铸铁管-铸管工序单位产品能源消耗限额Ductile iron pipes-energy consumption limit per u
BS EN ISO 7091 2000 Plain washers. Normal series. Product grade C.pdf文档页数:14文档大小:111.9KB文档格式:pdf BRITISH STANDARD BS EN ISO 7091:2000 Plain washers Normal series Product Grade c The European Standard EN ISO 7091:2000 has the status of a Bri