Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34503-2017 |
Tungsten tubes 钨管 |
China National Standards Tungsten tubes |
 English PDF |
| GB/T 4193-1984 |
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes 电真空器件及电光源用细钨丝、钼丝和薄带密度的测试方法 |
China National Standards Tungsten tubes |
English PDF |
| GB/T 4192-1984 |
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes 电真空器件及电光源用钨、钼材料电阻率的测试方法 |
China National Standards Tungsten tubes |
English PDF |
| Find out:3Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
