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Microfilm cassette

Optics: image projectors – Selective data retrieval – Film strip
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Microfilm cassette and the projection apparatus for the viewing

Optics: image projectors – Selective data retrieval – Film strip
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Microfilm reader

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader for microfiche films

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microfilm reader/printer

Optics: image projectors – Selective data retrieval – Film strip
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Microfilm retrieval device

Optics: image projectors – Selective data retrieval – Film strip
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Microfilm search method and device

Optics: image projectors – Selective data retrieval – Film strip
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Microfilm searching and reading device

Optics: image projectors – Selective data retrieval
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Microform card including surface locating structure for eliminat

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microform information storage arrangement

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microform information storage arrangement

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microform viewer

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Microimage storage and retrieval apparatus

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
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Multiple image projection device

Optics: image projectors – Selective data retrieval
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