DK70238C - Fremvisningstavle til undervisningsformål. - Google Patents

Fremvisningstavle til undervisningsformål.

Info

Publication number
DK70238C
DK70238C DK30646A DK30646A DK70238C DK 70238 C DK70238 C DK 70238C DK 30646 A DK30646 A DK 30646A DK 30646 A DK30646 A DK 30646A DK 70238 C DK70238 C DK 70238C
Authority
DK
Denmark
Prior art keywords
demonstration board
teaching purposes
teaching
purposes
demonstration
Prior art date
Application number
DK30646A
Other languages
English (en)
Inventor
Eric Gordon Dudley
Original Assignee
Eric Gordon Dudley
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 Eric Gordon Dudley filed Critical Eric Gordon Dudley
Application granted granted Critical
Publication of DK70238C publication Critical patent/DK70238C/da

Links

DK30646A 1942-10-22 1946-01-28 Fremvisningstavle til undervisningsformål. DK70238C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB70238X 1942-10-22

Publications (1)

Publication Number Publication Date
DK70238C true DK70238C (da) 1949-11-21

Family

ID=9825185

Family Applications (1)

Application Number Title Priority Date Filing Date
DK30646A DK70238C (da) 1942-10-22 1946-01-28 Fremvisningstavle til undervisningsformål.

Country Status (1)

Country Link
DK (1) DK70238C (da)

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