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CH405755A - Ecran repliable - Google Patents

Ecran repliable

Info

Publication number
CH405755A
CH405755A CH274964A CH274964A CH405755A CH 405755 A CH405755 A CH 405755A CH 274964 A CH274964 A CH 274964A CH 274964 A CH274964 A CH 274964A CH 405755 A CH405755 A CH 405755A
Authority
CH
Switzerland
Prior art keywords
folding screen
folding
screen
Prior art date
Application number
CH274964A
Other languages
English (en)
Inventor
Fulgence Matagne Alfred
Original Assignee
Fulgence Matagne Alfred
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fulgence Matagne Alfred filed Critical Fulgence Matagne Alfred
Publication of CH405755A publication Critical patent/CH405755A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CH274964A 1963-03-11 1964-03-04 Ecran repliable CH405755A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2042410 1963-03-11

Publications (1)

Publication Number Publication Date
CH405755A true CH405755A (fr) 1966-01-15

Family

ID=3864795

Family Applications (1)

Application Number Title Priority Date Filing Date
CH274964A CH405755A (fr) 1963-03-11 1964-03-04 Ecran repliable

Country Status (4)

Country Link
BE (1) BE629406A (fr)
CH (1) CH405755A (fr)
GB (1) GB1013484A (fr)
NL (1) NL6402177A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111251753A (zh) * 2020-01-17 2020-06-09 深圳市凯博特科技有限公司 一种可擦写可投影可张贴的白板膜

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111251753A (zh) * 2020-01-17 2020-06-09 深圳市凯博特科技有限公司 一种可擦写可投影可张贴的白板膜

Also Published As

Publication number Publication date
NL6402177A (fr) 1964-09-14
BE629406A (fr) 1900-01-01
GB1013484A (en) 1965-12-15

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