FR743706A - - Google Patents

Info

Publication number
FR743706A
FR743706A FR743706DA FR743706A FR 743706 A FR743706 A FR 743706A FR 743706D A FR743706D A FR 743706DA FR 743706 A FR743706 A FR 743706A
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 FR743706A publication Critical patent/FR743706A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR743706D Expired FR743706A (ja)

Publications (1)

Publication Number Publication Date
FR743706A true FR743706A (ja) 1933-04-05

Family

ID=1547927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR743706D Expired FR743706A (ja)

Country Status (1)

Country Link
FR (1) FR743706A (ja)

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