DE151158C - - Google Patents

Info

Publication number
DE151158C
DE151158C DENDAT151158D DE151158DA DE151158C DE 151158 C DE151158 C DE 151158C DE NDAT151158 D DENDAT151158 D DE NDAT151158D DE 151158D A DE151158D A DE 151158DA DE 151158 C DE151158 C DE 151158C
Authority
DE
Germany
Prior art keywords
numbers
parts
odd
rows
apart
Prior art date
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.)
Active
Application number
DENDAT151158D
Other languages
German (de)
English (en)
Publication of DE151158C publication Critical patent/DE151158C/de
Active legal-status Critical Current

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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
DENDAT151158D Active DE151158C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE151158C true DE151158C (enrdf_load_stackoverflow)

Family

ID=418004

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT151158D Active DE151158C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE151158C (enrdf_load_stackoverflow)

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