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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19889.2-2022 |
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties 声学 建筑和建筑构件隔声测量 第2部分：测量不确定度评定和应用 |
China National Standards elements—Part |
 English PDF |
| GB/T 36351.2-2018 |
Information technology—Learning, education and training—Educational management data elements—Part 2：Common data elements 信息技术 学习、教育和培训 教育管理数据元素 第2部分：公共数据元素 |
China National Standards elements—Part |
English PDF |
| GB/T 36351.1-2018 |
Information technology—Learning, education and training—Educational management data elements—Part 1：Specification for design and management 信息技术 学习、教育和培训 教育管理数据元素 第1部分：设计与管理规范 |
China National Standards elements—Part |
English PDF |
| GB/T 20501.4-2018 |
Public information guidance systems—Design principles and requirements for guidance elements—Part 4: Street guidance map 公共信息导向系统 导向要素的设计原则与要求 第4部分：街区导向图 |
China National Standards elements—Part |
English PDF |
| GB/T 22159.5-2017 |
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion 声学与振动 弹性元件振动-声传递特性实验室测量方法 第5部分：弹性支撑件低频平动动刚度的驱动点测量方法 |
China National Standards elements—Part |
English PDF |
| GB/T 20501.3-2017 |
Public information guidance systems—Design principles and requirements for guidance elements—Part 3: Location plans 公共信息导向系统 导向要素的设计原则与要求 第3部分：平面示意图 |
China National Standards elements—Part |
English PDF |
| GB/T 19889.18-2017 |
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 18: Laboratory measurement of sound generated by rainfall on building elements 声学 建筑和建筑构件隔声测量 第18部分：建筑构件雨噪声隔声的实验室测量 |
China National Standards elements—Part |
English PDF |
| GB/T 21283.6-2015 |
Rotary shaft lip-type seals incorporating thermoplastic sealing elements—Part 6: Properties requirements for the thermoplastic and elastic material 密封元件为热塑性材料的旋转轴唇形密封圈 第6部分：热塑性材料与弹性体包覆材料的性能要求 |
China National Standards elements—Part |
English PDF |
| GB/T 13871.5-2015 |
Rotary shaft lip-type seals incorporating elastomeric sealing elements—Part 5: Identification of visual imperfections 密封元件为弹性体材料的旋转轴唇形密封圈 第5部分: 外观缺陷的识别 |
China National Standards elements—Part |
English PDF |
| GB/T 13871.2-2015 |
Rotary shaft lip-type seals incorporating elastomerice sealing elements—Part 2: Vocabulary 密封元件为弹性体材料的旋转轴唇形密封圈 第2部分：词汇 |
China National Standards elements—Part |
English PDF |
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