FR739234A - Improvements to devices for reproducing drawings - Google Patents

Improvements to devices for reproducing drawings

Info

Publication number
FR739234A
FR739234A FR739234DA FR739234A FR 739234 A FR739234 A FR 739234A FR 739234D A FR739234D A FR 739234DA FR 739234 A FR739234 A FR 739234A
Authority
FR
France
Prior art keywords
devices
reproducing drawings
reproducing
drawings
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
French (fr)
Inventor
Georges-Edmond Laurent
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 FR739234A publication Critical patent/FR739234A/en
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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
    • G03B27/06—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic repeated copying of the same original

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR739234D 1932-06-29 1932-06-29 Improvements to devices for reproducing drawings Expired FR739234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR739234T 1932-06-29

Publications (1)

Publication Number Publication Date
FR739234A true FR739234A (en) 1933-01-06

Family

ID=9132641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR739234D Expired FR739234A (en) 1932-06-29 1932-06-29 Improvements to devices for reproducing drawings

Country Status (1)

Country Link
FR (1) FR739234A (en)

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