FR837809A - Perfectionnements apportés aux bobines cinématographiques - Google Patents

Perfectionnements apportés aux bobines cinématographiques

Info

Publication number
FR837809A
FR837809A FR837809DA FR837809A FR 837809 A FR837809 A FR 837809A FR 837809D A FR837809D A FR 837809DA FR 837809 A FR837809 A FR 837809A
Authority
FR
France
Prior art keywords
improvements made
film reels
reels
film
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Jeannot
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 filed Critical
Application granted granted Critical
Publication of FR837809A publication Critical patent/FR837809A/fr
Expired legal-status Critical Current

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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/321—Holders for films, e.g. reels, cassettes, spindles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR837809D 1938-05-11 1938-05-11 Perfectionnements apportés aux bobines cinématographiques Expired FR837809A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837809T 1938-05-11

Publications (1)

Publication Number Publication Date
FR837809A true FR837809A (fr) 1939-02-21

Family

ID=9298757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837809D Expired FR837809A (fr) 1938-05-11 1938-05-11 Perfectionnements apportés aux bobines cinématographiques

Country Status (1)

Country Link
FR (1) FR837809A (fr)

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