| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 3978-2008 | English | 270 |
Add to Cart
|
0-9 seconds. Auto delivery.
|
Standard illuminants and geometric conditions
|
GB/T 3978-2008
| Valid |
GB/T 3978-2008
|