GB/T 3953
GB/T 3953 (Round copper wire for electrical purposes)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| TR | Copper | chevron_right |
| TR1 | Copper | chevron_right |
| TY | Copper | chevron_right |
| TY1 | Copper | chevron_right |
GB/T 3953 (Round copper wire for electrical purposes)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| TR | Copper | chevron_right |
| TR1 | Copper | chevron_right |
| TY | Copper | chevron_right |
| TY1 | Copper | chevron_right |