FR998970A - - Google Patents

Info

Publication number
FR998970A
FR998970A FR998970DA FR998970A FR 998970 A FR998970 A FR 998970A FR 998970D A FR998970D A FR 998970DA FR 998970 A FR998970 A FR 998970A
Authority
FR
France
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
French (fr)
Publication date
Application granted granted Critical
Publication of FR998970A publication Critical patent/FR998970A/fr
Expired legal-status Critical Current

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/32Details specially adapted for motion-picture projection
    • G03B21/321Holders for films, e.g. reels, cassettes, spindles
    • G03B21/326Means for fixing the film on the axis of a reel or spindle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR998970D Expired FR998970A (en)

Publications (1)

Publication Number Publication Date
FR998970A true FR998970A (en) 1952-01-24

Family

ID=1566962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998970D Expired FR998970A (en)

Country Status (1)

Country Link
FR (1) FR998970A (en)

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