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  • YBB 0010-2003剥离强度测定法Boli Qiangdu Cedingfa Tests for peel strength2022-07-12
  • YB/T 4425-2014高强度热处理箍筋2022-07-12
  • YB/T 5240-2005玻封铁铬合金4J28The glass sealed iron-chromium alloy 4J282022-07-12
  • YB/T 5336-2006高速钢中碳化物相的定量分析X射线衍射仪法2022-07-12
  • YB/T 162-2012动态电阻应变仪低周频率响应检定规程2022-07-11
  • YB/T 4016-1991玻璃熔窖用耐火制品抽样的验收方法2022-07-11
  • YB/T 4270-2012转炉汽化回收蒸汽发电系统运行规范Operation specifications of converter vaporization recovery st...2022-07-11
  • YB/T 5024-1993精重苯馏程的测定方法Method for the determination of the distillation process of refined heavy ...2022-07-11
  • YB/T 5224-2014中频用电工钢薄带2022-07-11
  • YB/T 2804-2016普通高炉炭块2022-07-11
  • YB 9248-1992冲击法检测硬化砂浆抗压强度技术规程2022-07-11
  • YB/T 5090-1993不锈钢热轧钢带Hot rolled stainless steel strips2022-07-10
  • YB/T 5233-2005无磁定膨胀瓷封镍基合金Non-magnetic and porcelain sealed nickel alloy for permannet expansion...2022-07-10
  • YB/T 4772-2019钢坯加热温度均匀性测定和计算方法2022-07-10
  • YB/T 5078-2010煤焦油.萘含量的测定.气相色谱法Testing of coal tar - Determination of the naphthalene content -...2022-07-09
  • YB/T 5342-2015磷铁 硫含量的测定 燃烧中和滴定法2022-07-09
  • YB/T 4689-2018金属热切圆锯片基体用钢2022-07-09
  • YB/T 5066-2015自行车用碳素钢和低合金钢热轧宽钢带2022-07-09
  • YB/T 4428-2014多丝大直径高强度低松弛预应力钢绞线2022-07-09
  • YB/T 2305-2007焦化产品试验用玻璃温度计2022-07-09
  • YB/T 4627-2017开口型材冷弯型钢机组技术要求2022-07-08
  • YB/T 143-2013涡流探伤信号幅度误差测量方法2022-07-08
  • YB 9258-1997建筑基坑工程技术规范Code for Technique of Building Foundation Pit Engineering2022-07-08
  • YBJ 208-1985炼铁设备安装工程质量验收规范2022-07-08