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YB/T 182-2000冶金企业热缩型电缆头制作工艺标准2022-12-13

YB/T 4649-2018锰矿山安全生产技术规范2022-12-13

YB/T 113-2019烧成微孔铝炭砖2022-12-13

YB/T 4531-2016磷铁硅含量的测定硅钼蓝分光光度法2022-12-13

YB/T 4141-2005连铸圆坯结晶器铜管.技术条件Technical specification for round copper mould tubs in continuous c...2022-12-13

YB/T 4636-2018高炉热风管系用耐火材料2022-12-14

YB/T 152-1999高强度低松弛预应力热镀锌钢绞线High strength low relaxation hot-dip galvanized Steel strand for ...2022-12-14

YB/T 186-2014连铸保护渣熔化温度试验方法2022-12-14

YB/T 4093-1993GH4133B合金盘形锻件纵向低倍组织标准2022-12-14

YB/T 4451-2015预应力混凝土用刻痕钢绞线2022-12-14

YB/T 4117-2003致密耐火浇注料抗爆裂性.试验方法Test method for explosion resistance of dense refractory castab...2022-12-14

YB/T 4191-2009高炉进风装置Hot blast blowpipe apparatus2022-12-14

YB/T 5138-1993电焊条用还原铁粉Reduced iron powders for welding electrodes2022-12-14

YB/T 4399-2014塔架用高性能异型无缝钢管2022-12-14

YB/T 910-2017自焙炭块焙烧线收缩(或线膨胀)率测定方法2022-12-15

YBB 0021-2003线热膨胀系数测定法Xianrepengzhangxishu Cedingfa Tests for coefficient of linear thermal expansi...2022-12-15

YB/T 4452-2015钢丝绳纤维芯2022-12-15

YBB 0011-2005五层共挤输液用膜（Ⅰ）、袋2022-12-15

YB/T 4438-2014硅溶胶结合系列灌注料2022-12-15

YB/T 4582.4-2017氮化硅铁硫含量的测定红外线吸收法2022-12-15

YB/T 4219-2010五氧化二钒.磷含量的测定.铋磷钼蓝分光光度法Vanadium pentoxide -Determination of phosphorus ...2022-12-16

YB/T 5098-20071，8-萘二甲酸酐熔点测定方法2022-12-16

YB/T 4236-2010石油钻具用钢棒Steel bars for petroleum drilling tools2022-12-16

YB 9082-2006钢骨混凝土结构技术规程2022-12-16

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