TB/T 2190-2013.Concrete sleeper.1范围TB/T 2190规定了标准轨距铁路有砟轨道用预应力混凝上枕的技术要求、检验方法、检验规则、标志及储运。TB/T...
YY/T 0858-2011.Standard guide for three-point bending of balloon expandable vascular stents and stent systems.3意义和使用3.1YY/T 0858用于获得支架及支架系统三点弯曲...
TB/T 1778-2010.Catalogue of rail defects.1范围TB/T 1778规定了铁路钢轨各种伤损的分类和编号、伤损描述.伤损原因、检测方法及应采取的措施。TB/T 1...
TB/T 1632.4-2014.Welding of rails Part 4:Gas pressure welding.1范围TB/T 1632.4规定了钢轨矢压焊接的要求、检验方法和检验规则。TB/T 1632.4适用于50 kg/m ~75 ...
YY/T 0841-2011/IEC 62353 :2007.Medical electrical equipment-Recurrent test and test after repair of medical electrical equipment.YY/T 0841适用于符合IEC 60601-1的医用电气设备...
TB/T 1632.3-2014.Welding of rails Part 3:Thermit welding.1范围TB/T 1632.3规定了钢轨鍆热焊接的要求.检验 方法和检验规则。TB/T 1632.3适用于50 kg/m -75地《例...
YD/T 2618.1-2013.Technical specification of 40Gb/s phase modulation formats optical transponder Part 1: Differential Phase Shift Keying (DPSK) modulation.1范围YD/T 2618.1规定了...
YD/T 2619-2013.General technical conditions of physical protective products for overhead communication cable.1范围YD/T 2619规定了架空通信电缆物防产品的定义、技术要...
YD/T 2651-2013.Telecommunication cables-Solid polytetrafluoroethylene dielectric, tin soaked braid outer conductors, radio frequency coaxial cables.1范围YD/T 2651规定了实芯聚四...
YD/T 2657-2013.High temperature valve-regulated lead acid batteries for telecommunications.1范围YD/T 2657规定了通信用高温型阀控式密封铅酸蓄电池(以下简称高温...










