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35mm Research Grade Monochromator Diffraction Grating HP / Agilent

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3M 1429V Attest Super Rapid Readout Indicator (bx/50) Training

LARGE OPTICAL GRATING WITH MOUNT- INSTRUMENTS SA, Inc: 1200 g/mm, BLAZE 630 nm

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B&L Large Reflective Diffraction Grating 5.5 x 6.33 in 400 lines/mm Blaze 9°44′