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US2909962A
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Slide changer with angled magazine
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Tiltable projector base structure with integral socket mount
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Shiftable film bed and optical system for projectors
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Lens mount for picture projectors
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Slide and film projector with swing-away head
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Automatic slide changer
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Luggage handle
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Case and base structure combination for picture projectors
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Lens mount for projectors and the like
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Film splicing device
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Slide holder
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Picture projector
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