Patent classifications
G
PHYSICS
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G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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G03H
HOLOGRAPHIC PROCESSES OR APPARATUS
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2222/00
Light sources or light beam properties
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G03H2222/50
Geometrical property of the irradiating beam
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G03H2222/53
Collimated beam
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