DK94537C - Regneapparat til anskuelighedsundervisning. - Google Patents

Regneapparat til anskuelighedsundervisning.

Info

Publication number
DK94537C
DK94537C DK2359A DK2359A DK94537C DK 94537 C DK94537 C DK 94537C DK 2359 A DK2359 A DK 2359A DK 2359 A DK2359 A DK 2359A DK 94537 C DK94537 C DK 94537C
Authority
DK
Denmark
Prior art keywords
calculator
visual education
education
visual
Prior art date
Application number
DK2359A
Other languages
English (en)
Inventor
Vitus Knefeli
Original Assignee
Vitus Knefeli
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 by Vitus Knefeli filed Critical Vitus Knefeli
Application granted granted Critical
Publication of DK94537C publication Critical patent/DK94537C/da

Links

DK2359A 1958-01-04 1959-01-03 Regneapparat til anskuelighedsundervisning. DK94537C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE94537X 1958-01-04

Publications (1)

Publication Number Publication Date
DK94537C true DK94537C (da) 1962-10-15

Family

ID=5645120

Family Applications (1)

Application Number Title Priority Date Filing Date
DK2359A DK94537C (da) 1958-01-04 1959-01-03 Regneapparat til anskuelighedsundervisning.

Country Status (1)

Country Link
DK (1) DK94537C (da)

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