DD99035A5 - - Google Patents

Info

Publication number
DD99035A5
DD99035A5 DD16244172A DD16244172A DD99035A5 DD 99035 A5 DD99035 A5 DD 99035A5 DD 16244172 A DD16244172 A DD 16244172A DD 16244172 A DD16244172 A DD 16244172A DD 99035 A5 DD99035 A5 DD 99035A5
Authority
DD
German Democratic Republic
Application number
DD16244172A
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
Publication of DD99035A5 publication Critical patent/DD99035A5/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Automatic Tape Cassette Changers (AREA)
DD16244172A 1971-04-21 1972-04-20 DD99035A5 (ref)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712119386 DE2119386A1 (de) 1971-04-21 1971-04-21 Lehrgerät mit auswechselbaren Kassetten

Publications (1)

Publication Number Publication Date
DD99035A5 true DD99035A5 (ref) 1973-07-12

Family

ID=5805392

Family Applications (1)

Application Number Title Priority Date Filing Date
DD16244172A DD99035A5 (ref) 1971-04-21 1972-04-20

Country Status (3)

Country Link
JP (1) JPS4849520A (ref)
DD (1) DD99035A5 (ref)
DE (1) DE2119386A1 (ref)

Also Published As

Publication number Publication date
JPS4849520A (ref) 1973-07-12
DE2119386A1 (de) 1972-11-09

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