Spectroscopic Transmission Scored, Multi-line Holographic Diffraction Grating, Optical Diffraction Grating, Diffraction Grating Sheet For Science Experiments(300lines/mm)
| Country | USA |
| Brand | yinjieUS |
| Manufacturer | yinjieUS |
| EANs | 7310382332631 |
| ReleaseDate | 0000-00-00 |