GB/T 31976
GB/T 31976 (Aluminium alloy sheets used for sound-absorbing composite panel with through-hole)· GB (China) · 1 materials
| Designation | Material group | |
|---|---|---|
| 5754 | Aluminium | chevron_right |
GB/T 31976 (Aluminium alloy sheets used for sound-absorbing composite panel with through-hole)· GB (China) · 1 materials
| Designation | Material group | |
|---|---|---|
| 5754 | Aluminium | chevron_right |