4. Optics: image projectors
  5. Selective data retrieval
  6. Plural picture rows on single microcard

Peter J. Hall

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Laundry detergent composition containing synergistic combination

Compositions – Water-softening or purifying or scale-inhibiting agents
Patent

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Magnetron anode and method of manufacturing anode

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron
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Microfiche reader

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
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Microfiche reader

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Microfiche reader

Optics: image projectors – Lens support – Lens position adjustable
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Profile ID: LFUS-PAI-P-446570

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