F-YS-FP-08 Square screen diffraction demo instrument, China F-YS-FP-08 Square screen diffraction demo instrument Supplier,Factory

F-YS-FP-08 Square screen diffraction demo instrument

$F-YS-FP-08 Square screen diffraction demo instrument$

Beijing Force Technology Limited Company [China]

F-YS-LJ-08 square screen diffraction DIFFRACTION OF LIGHT PHYSICAL INSTRUMENT

Observe the diffraction pattern after laser through the square screen

F-YS-FP-08 Square screen diffraction demo instrument