G - Physics – 02 – B
Inventor
G - Physics
02
B
Inventor
Country: United States Of America
Condenser lens system for overhead projector
Distortion correction for an overhead projector system
Distortion correction for an overhead projector system
Dual grooved fresnel lens for overhead projection
First surface fresnel reflector for liquid crystal display
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Profile ID: LFCA-PAI-P-493497