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Retrieval control apparatus for microfilm reader

Optics: image projectors – Selective data retrieval – Film strip
Patent

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Roll film document image storage and retrieval apparatus and sys

Optics: image projectors – Selective data retrieval – Film strip
Patent

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Roll film reader/printer with manually insertable discrete film

Optics: image projectors – Selective data retrieval – Film strip
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Rotary film strip holding apparatus

Optics: image projectors – Selective data retrieval – Film strip
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