US PATENT SUBCLASS 356 / 310
.~ With aperture mask
Current as of:
June, 1999
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356 /
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OPTICS: MEASURING AND TESTING
300
DF
BY DISPERSED LIGHT SPECTROSCOPY
{10}
310
.~ With aperture mask
DEFINITION
Classification: 356/310
With aperture mask:
(under subclass 300) Subject matter including means for passing light, usually of a selected group of spectral wavelengths, between the light dispersing means and the light detection means.
