YY 1042-2003.YY 1042规定了用于牙科的以聚合物为基质的充填、修复和粘固材料的要求。该类材料经机械混合、人工混合或在口腔内/口腔外采用...
YY 1040. 1-2003/ISO 5356-1; 1996.YY1040本部分规定了用于连接麻醉与呼吸设备(如呼吸系统、麻醉气体净化系统和蒸发器)的锥头与锥套的尺寸与测量的...
YY 0027-1990.1主题内容与适用范围YY 0027规定了电热恒温培养箱(以下简称培养箱)的术语、产品分类、技术要求、试验方法、检验规则和标志、包...
YY/T 0660-2008.Standard specification for polyetheretherketone( PEEK) polymers for surgical implant applications.YY/T 0660涵盖了由原料供应商提供的PEEK聚合物原料(粒料...
YD/T 1022-1999.Requirement of synchronous digital hierarchy (SDH) equipment function.1范围YD/T 1022规范了在我国公用电信网中使用STM-N(N= 1.4、16、64)的SDH设备的主...
YD/T 1023-1999.General networking requirements for the narrow-band ISDN terminal equipment.1范围YD/T 1023规定了各种ISDN终端设备(包括第一类终端和ISDN终端适配器...
YD/T 1025-1999.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Man - Machine and SIM - ME Interface Specification of Mobile Station(Phase2+).1范围YD/T 1025规定了...
YD/T 1031-1999.Technical Specification of 800MHz CDMA Digital Cellular Mobile Telecommunication Network Mobile Application Par.1范围YD/T 1031规定了800MHzCDMA数字蜂窝移动通...
YD/T 1021-1999.VB5.2 interface technical specification.1范围1.1 概述YD/T 1021规定了接入网(AN)和业务节点(SN)之间的VB5.2参考点上接口的物理过程和协议要求...
YY/T 0641-2008.Standard test method for transformation temperature of nickel-Titanium alloys by thermal analysis.YY/T 0641规定了测量NiTi形状记忆合金相变温度的程序。...
