FR897008A - Photocopy machine - Google Patents

Photocopy machine

Info

Publication number
FR897008A
FR897008A FR897008DA FR897008A FR 897008 A FR897008 A FR 897008A FR 897008D A FR897008D A FR 897008DA FR 897008 A FR897008 A FR 897008A
Authority
FR
France
Prior art keywords
photocopy machine
photocopy
machine
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
Oskar Theuerkorn
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 FR897008A publication Critical patent/FR897008A/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
    • G03B27/14—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)
FR897008D 1942-03-04 1943-08-05 Photocopy machine Expired FR897008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE897008X 1942-03-04

Publications (1)

Publication Number Publication Date
FR897008A true FR897008A (en) 1945-03-09

Family

ID=6848503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897008D Expired FR897008A (en) 1942-03-04 1943-08-05 Photocopy machine

Country Status (1)

Country Link
FR (1) FR897008A (en)

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