BE435152A - - Google Patents

Info

Publication number
BE435152A
BE435152A BE435152DA BE435152A BE 435152 A BE435152 A BE 435152A BE 435152D A BE435152D A BE 435152DA BE 435152 A BE435152 A BE 435152A
Authority
BE
Belgium
Prior art keywords
frame
shutter
chamber
light
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE435152A publication Critical patent/BE435152A/fr

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02Viewing or reading apparatus
    • G02B27/022Viewing apparatus
    • G02B27/024Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
BE435152D BE435152A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE435152A true BE435152A (enrdf_load_stackoverflow)

Family

ID=94120

Family Applications (1)

Application Number Title Priority Date Filing Date
BE435152D BE435152A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE435152A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US4921343A (en) Overhead projector
BE435152A (enrdf_load_stackoverflow)
US4206966A (en) Projection microscope with film holder
US6446376B1 (en) Photo display unit
EP0001951A1 (fr) Dispositif de projection permettant la prise de vue de l'image projetée d'un objet
US4140377A (en) Dental X-ray film viewer
GB447742A (en) Improvements relating to photographic cameras
BE340097A (enrdf_load_stackoverflow)
BE422547A (enrdf_load_stackoverflow)
CH193676A (fr) Appareil pour l'observation par réflexion d'images radiographiques diascopiques.
US3642369A (en) Document recording apparatus
US4498763A (en) Fixed focus enlarger
KR200173658Y1 (ko) 부착식 액자
JP3549495B2 (ja) ディスプレイを用いた拡大表示装置
BE377004A (enrdf_load_stackoverflow)
JPH11153821A (ja) 写真撮影ボックス
BE397855A (enrdf_load_stackoverflow)
JPH0731232Y2 (ja) 机上設置形の小型映写機
CH101203A (fr) Dispositif optique de réflexion d'images planes.
BE499482A (enrdf_load_stackoverflow)
CH115830A (fr) Transparent à transformations.
BE558703A (enrdf_load_stackoverflow)
BE428302A (enrdf_load_stackoverflow)
JPH0677663U (ja) 携帯用ケース付き位牌
EP0256910A1 (fr) Banc de réproduction graphique portable