FR1022272A - Machine de photo-copie par contact - Google Patents

Machine de photo-copie par contact

Info

Publication number
FR1022272A
FR1022272A FR1022272DA FR1022272A FR 1022272 A FR1022272 A FR 1022272A FR 1022272D A FR1022272D A FR 1022272DA FR 1022272 A FR1022272 A FR 1022272A
Authority
FR
France
Prior art keywords
copying machine
contact photo
photo copying
contact
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grinten Chem L V D
Chemische Fabriek L Van der Grinten NV
Original Assignee
Grinten Chem L V D
Chemische Fabriek L Van der Grinten NV
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 by Grinten Chem L V D, Chemische Fabriek L Van der Grinten NV filed Critical Grinten Chem L V D
Application granted granted Critical
Publication of FR1022272A publication Critical patent/FR1022272A/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)
FR1022272D 1949-07-21 1950-07-21 Machine de photo-copie par contact Expired FR1022272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1022272X 1949-07-21

Publications (1)

Publication Number Publication Date
FR1022272A true FR1022272A (fr) 1953-03-03

Family

ID=19867156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1022272D Expired FR1022272A (fr) 1949-07-21 1950-07-21 Machine de photo-copie par contact

Country Status (1)

Country Link
FR (1) FR1022272A (fr)

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