FR989008A - Machine pour le tirage de plans - Google Patents

Machine pour le tirage de plans

Info

Publication number
FR989008A
FR989008A FR989008DA FR989008A FR 989008 A FR989008 A FR 989008A FR 989008D A FR989008D A FR 989008DA FR 989008 A FR989008 A FR 989008A
Authority
FR
France
Prior art keywords
machine
plans
drawing plans
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
Jean Mauvernay
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 FR989008A publication Critical patent/FR989008A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR989008D 1949-04-15 1949-04-15 Machine pour le tirage de plans Expired FR989008A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989008T 1949-04-15

Publications (1)

Publication Number Publication Date
FR989008A true FR989008A (fr) 1951-09-04

Family

ID=9539909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989008D Expired FR989008A (fr) 1949-04-15 1949-04-15 Machine pour le tirage de plans

Country Status (1)

Country Link
FR (1) FR989008A (fr)

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