4. Optics: motion pictures
  5. Camera and/or projector drive mechanisms
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Hand-held viewer for motion picture cassettes

Optics: motion pictures – Camera and/or projector drive mechanisms – With continuous feed and intermittent film arresting means
Patent

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High speed transport for large film formats

Optics: motion pictures – Camera and/or projector drive mechanisms – With film engaging claws reciprocally driven to engage film
Patent

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