NL7205169A - - Google Patents

Info

Publication number
NL7205169A
NL7205169A NL7205169A NL7205169A NL7205169A NL 7205169 A NL7205169 A NL 7205169A NL 7205169 A NL7205169 A NL 7205169A NL 7205169 A NL7205169 A NL 7205169A NL 7205169 A NL7205169 A NL 7205169A
Authority
NL
Netherlands
Application number
NL7205169A
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
Priority to NL7205169A priority Critical patent/NL7205169A/xx
Publication of NL7205169A publication Critical patent/NL7205169A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L5/00—Drawing boards
    • B43L5/02—Drawing boards having means for clamping sheets of paper thereto
    • B43L5/027—Drawing boards having means for clamping sheets of paper thereto with suction devices
    • 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
    • G03B27/20—Maintaining or producing contact pressure between original and light-sensitive material by using a vacuum or fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
NL7205169A 1972-04-18 1972-04-18 NL7205169A (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7205169A NL7205169A (sv) 1972-04-18 1972-04-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7205169A NL7205169A (sv) 1972-04-18 1972-04-18

Publications (1)

Publication Number Publication Date
NL7205169A true NL7205169A (sv) 1973-10-22

Family

ID=19815864

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205169A NL7205169A (sv) 1972-04-18 1972-04-18

Country Status (1)

Country Link
NL (1) NL7205169A (sv)

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