AU1872870A - - Google Patents

Info

Publication number
AU1872870A
AU1872870A AU18728/70A AU1872870A AU1872870A AU 1872870 A AU1872870 A AU 1872870A AU 18728/70 A AU18728/70 A AU 18728/70A AU 1872870 A AU1872870 A AU 1872870A AU 1872870 A AU1872870 A AU 1872870A
Authority
AU
Australia
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
AU18728/70A
Other languages
English (en)
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 AU18728/70A priority Critical patent/AU1872870A/en
Publication of AU1872870A publication Critical patent/AU1872870A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/132Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU18728/70A 1970-08-12 1970-08-12 Expired AU1872870A (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18728/70A AU1872870A (it) 1970-08-12 1970-08-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU18728/70A AU1872870A (it) 1970-08-12 1970-08-12

Publications (1)

Publication Number Publication Date
AU1872870A true AU1872870A (it) 1972-02-17

Family

ID=3708415

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18728/70A Expired AU1872870A (it) 1970-08-12 1970-08-12

Country Status (1)

Country Link
AU (1) AU1872870A (it)

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