CA309805A - Dispositif d'enseignement - Google Patents

Dispositif d'enseignement

Info

Publication number: CA309805A
Authority: CA; Canada
Prior art keywords: educational device; educational
Prior art date: 1931-03-31
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

CA309805A

Other languages

English (en)

Inventor

Edwin Hendrie William

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

1931-03-31

1931-03-31 Application granted granted Critical

1931-03-31 Publication of CA309805A publication Critical patent/CA309805A/fr

Status Expired legal-status Critical Current

Links

CA309805A Dispositif d'enseignement Expired CA309805A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA309805T

Publications (1)

Publication Number	Publication Date
CA309805A true CA309805A (fr)	1931-03-31

Family

ID=35269129

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA309805A Expired CA309805A (fr)			Dispositif d'enseignement

Country Status (1)

Country	Link
CA (1)	CA309805A (fr)

0
- CA CA309805A patent/CA309805A/fr not_active Expired

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