NL7214951A - - Google Patents

Info

Publication number
NL7214951A
NL7214951A NL7214951A NL7214951A NL7214951A NL 7214951 A NL7214951 A NL 7214951A NL 7214951 A NL7214951 A NL 7214951A NL 7214951 A NL7214951 A NL 7214951A NL 7214951 A NL7214951 A NL 7214951A
Authority
NL
Netherlands
Application number
NL7214951A
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 NL7214951A priority Critical patent/NL7214951A/xx
Publication of NL7214951A publication Critical patent/NL7214951A/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
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
    • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
    • G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
    • G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
    • G09B1/08—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of magnets

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)
NL7214951A 1972-11-06 1972-11-06 NL7214951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7214951A NL7214951A (en) 1972-11-06 1972-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7214951A NL7214951A (en) 1972-11-06 1972-11-06

Publications (1)

Publication Number Publication Date
NL7214951A true NL7214951A (en) 1974-05-08

Family

ID=19817305

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7214951A NL7214951A (en) 1972-11-06 1972-11-06

Country Status (1)

Country Link
NL (1) NL7214951A (en)

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