- 29
- Jul
Holografikus diffrakciós rács 36x38mm 600 sor 300 vonal 100 vonal 50 vonal Kínában
Holographic diffraction grating 36x38mm 600 lines 300 lines 100 lines 50 lines
Holographic diffraction grating 36x38mm 600 lines 300 lines 100 lines 50 lines