CA308259A - Dispositif d'enseignement des chiffres - Google Patents

Dispositif d'enseignement des chiffres

Info

Publication number
CA308259A
CA308259A CA308259A CA308259DA CA308259A CA 308259 A CA308259 A CA 308259A CA 308259 A CA308259 A CA 308259A CA 308259D A CA308259D A CA 308259DA CA 308259 A CA308259 A CA 308259A
Authority
CA
Canada
Prior art keywords
teaching device
teaching
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
CA308259A
Other languages
English (en)
Inventor
Jannesen Elizabeth
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 CA308259A publication Critical patent/CA308259A/fr
Expired legal-status Critical Current

Links

CA308259A Dispositif d'enseignement des chiffres Expired CA308259A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308259T

Publications (1)

Publication Number Publication Date
CA308259A true CA308259A (fr) 1931-02-03

Family

ID=35261412

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308259A Expired CA308259A (fr) Dispositif d'enseignement des chiffres

Country Status (1)

Country Link
CA (1) CA308259A (fr)

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