GOST 19671
GOST 19671 (Tungsten wire for light sources. Specifications)· GOST (Russia) · 6 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| VA | ВА | Tungsten | chevron_right |
| VM | ВМ | Tungsten | chevron_right |
| VRN | ВРН | Tungsten | chevron_right |
| VT-10 | ВТ-10 | Tungsten | chevron_right |
| VT-15 | ВТ-15 | Tungsten | chevron_right |
| VT-7 | ВТ-7 | Tungsten | chevron_right |