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Class Information
Number: 396/184
Name: Photography > With object illumination for exposure > Having exposure synchronizer > Having pneumatic shutter release
Description: Subject matter including gas pressure means to actuate a shutter.

Patents under this class:

Patent Number Title Of Patent Date Issued
8054539 Optical system for reducing stimulated Brillouin scattering by controllably changing polarization direction of an optical signal Nov. 8, 2011
7701549 Method and apparatus to prevent contamination of optical element by resist processing Apr. 20, 2010

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