GB/T 33220
GB/T 33220 (Copper-beryllium alloy forgings and extrusions - General specification)· GB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| C17000 | Copper | chevron_right |
| C17200 | Copper | chevron_right |
GB/T 33220 (Copper-beryllium alloy forgings and extrusions - General specification)· GB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| C17000 | Copper | chevron_right |
| C17200 | Copper | chevron_right |