DEP0047487DA - Visual aids for the first arithmetic lesson. - Google Patents

Visual aids for the first arithmetic lesson.

Info

Publication number
DEP0047487DA
DEP0047487DA DEP0047487DA DE P0047487D A DEP0047487D A DE P0047487DA DE P0047487D A DEP0047487D A DE P0047487DA
Authority
DE
Germany
Prior art keywords
visual aids
lesson
arithmetic
arithmetic lesson
aids
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.)
Expired
Application number
Other languages
German (de)
Inventor
Wilhelm Schüler
Original Assignee
Oberhess.
Schüler, Wilhelm, Cleeberg über Butzbach,
Publication date

Links

Claims (1)

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Family

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