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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4942-2021 |
degrees of protection provided by the integral design of rotating electrical machines (IP code)—Classification 旋转电机整体结构的防护等级（IP代码） 分级 |
China National Standards degrees |
 English PDF |
| GB/T 4208-2017 |
degrees of protection provide by enclosure (IP code) 外壳防护等级（IP代码） |
China National Standards degrees |
English PDF |
| GB/T 30556.7-2014 |
Electromagnetic compatibility―Installation and mitigation guidelines―degrees of protection provided by enclosures against electromagnetic disturbances (EM code) 电磁兼容 安装和减缓导则 外壳的电磁骚扰防护等级（EM编码） |
China National Standards degrees |
English PDF |
| GB/T 30038-2013 |
Road vehicles - degrees of protection (IP-Code) - Protection of electrical equipment against foreign objects, water and access 道路车辆 电气电子设备防护等级（IP代码） |
China National Standards degrees |
English PDF |
| GB/T 27944-2011 |
Dryseal pipe threads with the thread angle of 60 degrees 60°干密封管螺纹 |
China National Standards degrees |
English PDF |
| GB/T 12716-2011 |
Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads 60°密封管螺纹 |
China National Standards degrees |
English PDF |
| GB/T 13576.4-2008 |
Buttress threads with the flank angles of 3 and 30 degrees - Part 4: Tolerances 锯齿形(3°、30°)螺纹 第4部分：公差 |
China National Standards degrees |
English PDF |
| GB/T 13576.3-2008 |
Buttress threads with the flank angles of 3 and 30 degrees - Part 3: Basic dimensions 锯齿形(3°、30°)螺纹 第3部分：基本尺寸 |
China National Standards degrees |
English PDF |
| GB/T 13576.2-2008 |
Buttress threads with the flank angles of 3 and 30 degrees - Part 2: General plan 锯齿形(3°、30°)螺纹 第2部分：直径与螺距系列 |
China National Standards degrees |
English PDF |
| GB/T 13576.1-2008 |
Buttress threads with the flank angles of 3 and 30 degrees - Part 1: Profiles 锯齿形(3°、30°)螺纹 第1部分：牙型 |
China National Standards degrees |
English PDF |
| GB 4208-2008 |
degrees of protection provided by enclosure(IP code) 外壳防护等级(IP代码) |
China National Standards degrees |
English PDF |
| GB/T 4942.1-2006 |
degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification 旋转电机整体结构的防护等级（IP代码）-分级 |
China National Standards degrees |
English PDF |
| GB/T 20138-2006 |
degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) 电器设备外壳对外界机械碰撞的防护等级（IK代码） |
China National Standards degrees |
English PDF |
| GB/T 19896-2005 |
degrees of projected image sharpness for 70,35and 16mm motion-picture projection systems 70、35和16mm电影放映系统 画面清晰度等级 |
China National Standards degrees |
English PDF |
| GB/T 7760-2003 |
Rubber，vulcanized or thermoplastic--Determination of adhesion to a rigid substrate--90 degrees peel method 硫化橡胶或热塑性橡胶与硬质板材粘合强度的测定 90°剥离法 |
China National Standards degrees |
English PDF |
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