| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 1327-1977 | English | 199 |
Add to Cart
|
Days<=2
|
Optical parts, coated by hydrophilic method with three-layer semi-reflection film[R: T=1: 1] of titanium dioxide and silicon dioxide
|
GB 1327-1977
| Obsolete |
GB 1327-1977
|