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CA419767A - Appareil d'enseignement - Google Patents

Appareil d'enseignement

Info

Publication number
CA419767A
CA419767A CA419767A CA419767DA CA419767A CA 419767 A CA419767 A CA 419767A CA 419767 A CA419767 A CA 419767A CA 419767D A CA419767D A CA 419767DA CA 419767 A CA419767 A CA 419767A
Authority
CA
Canada
Prior art keywords
educational appliance
educational
appliance
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
CA419767A
Other languages
English (en)
Inventor
Carl Dignowity Hartman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA419767A publication Critical patent/CA419767A/fr
Expired legal-status Critical Current

Links

CA419767A Appareil d'enseignement Expired CA419767A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419767T

Publications (1)

Publication Number Publication Date
CA419767A true CA419767A (fr) 1944-04-25

Family

ID=35529060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419767A Expired CA419767A (fr) Appareil d'enseignement

Country Status (1)

Country Link
CA (1) CA419767A (fr)

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