YDB 130.1-2013.Distribution and inte gration for convergence of the three networks-Part 1: Scenario and requirements.YDB 130.1规定了开展三网融合业务时, 宽屏业务、移动...
YDB 130.2-2013.Distribution and integration for convergence of the three networks-Part 2: System architecture and general technical requirements.1范围YDB 130.2规定了开展三网融...
YDB 130.3-2013.Distribution and integration for convergence of the three networks-Part 3: Data specifications of portal guide.1范围YDB 130.3规定了开展三网融合业务时,宽...
YDB 130.4-2013.Distribution and integration for convergence of the three networks-Part 4: Interface technical requirements.1范围YDB 130.4规定了开展三网融合业务,分发合成...
YDB 130.5-2013.Distribution and inte gration for convergence of the three networks-Part 5: Management And Technical Requirement.1范围YDB 130.5规定了分发合成系统所需的网...
YY 91021-1997.Tooth forceps for adults.YY 91021适用于穿鳃式与迭鳃式成人拔牙钳。该产品供口腔科拔除成人的牙齿和牙根用。1牙钳按鳃 部结构型式可...
YY 91109-1999.Safety requi re ments for anaesthetic machines.5分类除修改下列内容外,通用标准这一章适用。5.1 修改内容删去m类设备。6识别、标记和文件...
YY 0221-1995.5.4.1主要零件所采用的材料应符合设计图样的规定,在不影响使用性能的前提下,经设计部门的批准,允许以性能相近或更优的其他材...
YY/T 0119.1-2014.Spinal implants- Components used in the surgical fixation of the spinal skeletal system-Part 1: General requirements.1范围YY/T0119的本部分规定了用以描述脊...
YY/T 0275-2011.Dental pluggers.1范围YY/T 0275规定了牙用充填器(简称充填器)产品的分类.要求,试验方法、检验规则、标志、包装、运输、贮存。YY...










