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18)Intended to demonstrate diffraction phenomena and produce diffraction picture on the screen during studying the wave optics. Diffracion Grating 60 x 45 mm, 100 line/mm 1 PC
Diffracion Grating 60 x 45 mm, 300 line/mm 1PC
Diffracion Grating 60 x 45 mm, 600 line/mm 1PC
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