FR721255A - Cooling device for reproduction frame - Google Patents

Cooling device for reproduction frame

Info

Publication number
FR721255A
FR721255A FR721255DA FR721255A FR 721255 A FR721255 A FR 721255A FR 721255D A FR721255D A FR 721255DA FR 721255 A FR721255 A FR 721255A
Authority
FR
France
Prior art keywords
cooling device
reproduction frame
reproduction
frame
cooling
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
Paul Drews
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 FR721255A publication Critical patent/FR721255A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR721255D 1930-08-11 1931-08-11 Cooling device for reproduction frame Expired FR721255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE721255X 1930-08-11

Publications (1)

Publication Number Publication Date
FR721255A true FR721255A (en) 1932-03-01

Family

ID=6629395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721255D Expired FR721255A (en) 1930-08-11 1931-08-11 Cooling device for reproduction frame

Country Status (1)

Country Link
FR (1) FR721255A (en)

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