- 29
- Jul
Holographic diffraction ຮູ້ບຸນຄຸນຂະ ໜາດ 36x38mm 600 ເສັ້ນ 300 ສາຍ 100 ສາຍ 50 ສາຍໃນປະເທດຈີນ
Holographic diffraction grating 36x38mm 600 lines 300 lines 100 lines 50 lines
Holographic diffraction grating 36x38mm 600 lines 300 lines 100 lines 50 lines