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CA3112766A1
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Apparatus and method for enlarging digital photographs on photographic paper
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US2002073661A1
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Shrink-wrap packaging system
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US5003348A
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Multi-function negative carrier
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US4649973A
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Ever-ready camera case
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US4537500A
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Photographic contrast control device
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US4371259A
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Digital color printer system
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US4005463A
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Photographic processing drum and method for using
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GB1217920A
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Film transport mechanism
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GB1207012A
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Overhead projector
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US3241258A
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Slide mount for photographic film
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US3294966A
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Automatic lamp changing apparatus
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US3294965A
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Automatic lamp changing apparatus
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US3283141A
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Lamp-changing mechanism
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US3244069A
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Projector with movable light source
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US3334957A
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Head for overhead projectors
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US3179438A
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Toggle actuated caster arrangement
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US3190174A
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Slide-actuate switch for photographic projector
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US3191491A
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Head for overhead projectors
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US3148853A
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Focusing mechanism for photographic apparatus
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US3207029A
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Manually adjustable overhead projector mounted on a desk
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