FR740947A - - Google Patents

Info

Publication number
FR740947A
FR740947A FR740947DA FR740947A FR 740947 A FR740947 A FR 740947A FR 740947D A FR740947D A FR 740947DA FR 740947 A FR740947 A FR 740947A
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 FR740947A publication Critical patent/FR740947A/fr
Expired legal-status Critical Current

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR740947D Expired FR740947A (US20100223739A1-20100909-C00005.png)

Publications (1)

Publication Number Publication Date
FR740947A true FR740947A (US20100223739A1-20100909-C00005.png) 1933-02-03

Family

ID=1545551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740947D Expired FR740947A (US20100223739A1-20100909-C00005.png)

Country Status (1)

Country Link
FR (1) FR740947A (US20100223739A1-20100909-C00005.png)

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