 |
| |||
| colored optical glass; coloured optical glass; glass color filter; glass colour filter | |||
| filter glass | |||
| filter plate | |||
| filtering glass | |||
| 滤光玻璃: 19 phrases in 3 subjects |
| Electronics | 1 |
| Space | 1 |
| Technology | 17 |
|
| |||
| colored optical glass; coloured optical glass; glass color filter; glass colour filter | |||
| filter glass | |||
| filter plate | |||
| filtering glass | |||
| 滤光玻璃: 19 phrases in 3 subjects |
| Electronics | 1 |
| Space | 1 |
| Technology | 17 |