CH548043A - Diapositivrahmen mit zusaetzlichem hilfsfenster. - Google Patents

Diapositivrahmen mit zusaetzlichem hilfsfenster.

Info

Publication number
CH548043A
CH548043A CH860772A CH860772A CH548043A CH 548043 A CH548043 A CH 548043A CH 860772 A CH860772 A CH 860772A CH 860772 A CH860772 A CH 860772A CH 548043 A CH548043 A CH 548043A
Authority
CH
Switzerland
Prior art keywords
slide frame
help window
additional help
additional
window
Prior art date
Application number
CH860772A
Other languages
English (en)
Original Assignee
Gonzalez Perez Juan
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 Gonzalez Perez Juan filed Critical Gonzalez Perez Juan
Publication of CH548043A publication Critical patent/CH548043A/de

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Sheet Holders (AREA)
CH860772A 1971-06-16 1972-06-09 Diapositivrahmen mit zusaetzlichem hilfsfenster. CH548043A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1971169991U ES169991Y (es) 1971-06-16 1971-06-16 Marco porta-diapositivas mejorado.

Publications (1)

Publication Number Publication Date
CH548043A true CH548043A (de) 1974-04-11

Family

ID=8345697

Family Applications (1)

Application Number Title Priority Date Filing Date
CH860772A CH548043A (de) 1971-06-16 1972-06-09 Diapositivrahmen mit zusaetzlichem hilfsfenster.

Country Status (6)

Country Link
BE (1) BE784935A (de)
CH (1) CH548043A (de)
DE (1) DE7222388U (de)
ES (1) ES169991Y (de)
FR (1) FR2142461A5 (de)
NL (1) NL7207949A (de)

Also Published As

Publication number Publication date
FR2142461A5 (de) 1973-01-26
BE784935A (fr) 1972-10-02
ES169991U (es) 1971-10-16
ES169991Y (es) 1972-04-16
NL7207949A (de) 1972-12-19
DE7222388U (de) 1972-09-21

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Legal Events

Date Code Title Description
PL Patent ceased