CA286241A - Dispositif d'enseignement - Google Patents

Dispositif d'enseignement

Info

Publication number
CA286241A
CA286241A CA286241A CA286241DA CA286241A CA 286241 A CA286241 A CA 286241A CA 286241 A CA286241 A CA 286241A CA 286241D A CA286241D A CA 286241DA CA 286241 A CA286241 A CA 286241A
Authority
CA
Canada
Prior art keywords
educational device
educational
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
CA286241A
Other languages
English (en)
Inventor
Barbara Simpson Ruth
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 CA286241A publication Critical patent/CA286241A/fr
Expired legal-status Critical Current

Links

CA286241A Dispositif d'enseignement Expired CA286241A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA286241T

Publications (1)

Publication Number Publication Date
CA286241A true CA286241A (fr) 1929-01-08

Family

ID=35223053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA286241A Expired CA286241A (fr) Dispositif d'enseignement

Country Status (1)

Country Link
CA (1) CA286241A (fr)

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