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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39542.3-2020 |
Mechanical pencils for technical drawings—Part 3: Black leads—Bending strengths of HB leads 技术制图活动铅笔 第3部分：黑铅芯 HB铅芯弯曲强度 |
China National Standards strengths |
 English PDF |
| GB/T 30661.3-2015 |
Wheelchair seating—Part 3: Determination of static, impact and repetitive load strengths for postural support devices 轮椅车座椅 第3部分：体位支撑装置的静态、冲击和疲劳强度测定 |
China National Standards strengths |
English PDF |
| GB/T 18029.8-2008 |
Wheelchairs - Part 8: Requirements and test methods for static, impact and fatigue strengths 轮椅车 第8部分：静态强度,冲击强度及疲劳强度的要求和测试方法 |
China National Standards strengths |
English PDF |
| GB/T 6074-2006 |
Leaf chains,clevises and sheaves - Dimensions,measuring forces and tensile strengths 板式链、连接环和槽轮 - 尺寸、测量力和抗拉强度 |
China National Standards strengths |
English PDF |
| GB/T 14431-1993 |
Protection ratios and minimum usable field strengths required in thd radio services 无线电业务要求的信号/干扰保护比和最小可用场强 |
China National Standards strengths |
English PDF |
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