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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39643-2020 |
Geometrical product specifications (GPS)—Systematic errors and contributions to measurement uncertainty of length measurement due to thermal influences 产品几何技术规范（GPS） 长度测量中温度影响引入的系统误差和测量不确定度来源 |
China National Standards contribution |
 English PDF |
| GB/T 21133-2007 |
Environmental tobacco smoke Estimation of its contribution to respirable suspended particles Method based on solanesol 环境烟草烟气 可吸入悬浮颗粒物的估测 茄呢醇法 |
China National Standards contribution |
English PDF |
| GB/T 21131-2007 |
Environmental tobacco smoke Estimation of its contribution to respirable suspended particles Determination of particulate matter by ultraviolet absorbance and by fluorescence 环境烟草烟气 可吸入悬浮颗粒物的估测 用紫外吸收法和荧光法测定粒相物 |
China National Standards contribution |
English PDF |
| GB/T 17439-1998 |
Specification for transmission of component-coded digital television signals for contribution-quality applications at the third hierarchical level 在三次群中传送馈送质量分量编码数字电视信号传输技术规范 |
China National Standards contribution |
English PDF |
| GB/T 17438-1998 |
Technical requirements for the transmission through contribution and primary distribution networks of digital television signals defined according to the 4∶2∶2 standard 由4∶2∶2标准定义的数字电视信号馈送和一次分配网络传输技术要求 |
China National Standards contribution |
English PDF |
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