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Apparatus for aligning the optical system of a lamphouse and a m

Optics: motion pictures – Projection light sources
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Electronic photographic flash unit

Optics: motion pictures – Projection light sources – Intermittent light
Patent

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Film projector with high efficiency illumination

Optics: motion pictures – Projection light sources – Projector illuminators
Reexamination Certificate

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Illuminating apparatus for projection purposes

Optics: motion pictures – Projection light sources
Patent

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Lamp housing for motion picture film projector

Optics: motion pictures – Projection light sources
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Light source device and projection television

Optics: motion pictures – Projection light sources
Reexamination Certificate

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Lighting systems

Optics: motion pictures – Projection light sources – Synchronized with shutter
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Luminous source apparatus, image projecting apparatus and...

Optics: motion pictures – Projection light sources
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Luminous source apparatus, image projecting apparatus and...

Optics: motion pictures – Projection light sources
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Motion picture projector apparatus and high intensity projection

Optics: motion pictures – Projection light sources
Patent

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Multi format shutterless motion picture inspection projector

Optics: motion pictures – Projection light sources – Intermittent light
Patent

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Xenon optical system for cinematograph projection

Optics: motion pictures – Projection light sources
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