32*32*9.5mm 1200line Concave Reflective Grating Semi-automatic Biochemical Spectrometer Gratings Working Wavelength 250-900nm

32*32*9.5mm 1200line Concave Reflective Grating Semi-automatic Biochemical Spectrometer Gratings Working Wavelength 250-900nm
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sku: 1005001289665175
$187.33
Shipping from: China
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