LU65177A1 - - Google Patents

Info

Publication number
LU65177A1
LU65177A1 LU65177DA LU65177A1 LU 65177 A1 LU65177 A1 LU 65177A1 LU 65177D A LU65177D A LU 65177DA LU 65177 A1 LU65177 A1 LU 65177A1
Authority
LU
Luxembourg
Application number
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 LU65177A1 publication Critical patent/LU65177A1/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
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
LU65177D 1972-04-17 1972-04-17 LU65177A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU65177 1972-04-17

Publications (1)

Publication Number Publication Date
LU65177A1 true LU65177A1 (enrdf_load_stackoverflow) 1972-07-13

Family

ID=19727022

Family Applications (1)

Application Number Title Priority Date Filing Date
LU65177D LU65177A1 (enrdf_load_stackoverflow) 1972-04-17 1972-04-17

Country Status (1)

Country Link
LU (1) LU65177A1 (enrdf_load_stackoverflow)

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