GB/T 23272
GB/T 23272 (Tungsten wire for lighting and electronic equipments)· GB (China) · 7 materials
| Designation | Material group | |
|---|---|---|
| W11 | Tungsten | chevron_right |
| W31 | Tungsten | chevron_right |
| W41 | Tungsten | chevron_right |
| W42 | Tungsten | chevron_right |
| W61 | Tungsten | chevron_right |
| W71 | Tungsten | chevron_right |
| W91 | Tungsten | chevron_right |