BE343250A - - Google Patents

Info

Publication number
BE343250A
BE343250A BE343250DA BE343250A BE 343250 A BE343250 A BE 343250A BE 343250D A BE343250D A BE 343250DA BE 343250 A BE343250 A BE 343250A
Authority
BE
Belgium
Prior art keywords
film
inversion
films
reproduction
optical system
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE343250A publication Critical patent/BE343250A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
BE343250D BE343250A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE343250A true BE343250A (enrdf_load_html_response)

Family

ID=19582

Family Applications (1)

Application Number Title Priority Date Filing Date
BE343250D BE343250A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE343250A (enrdf_load_html_response)

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