CA117369A - Dispositif a enseignement - Google Patents

Dispositif a enseignement

Info

Publication number
CA117369A
CA117369A CA000117369A CA117369DA CA117369A CA 117369 A CA117369 A CA 117369A CA 000117369 A CA000117369 A CA 000117369A CA 117369D A CA117369D A CA 117369DA CA 117369 A CA117369 A CA 117369A
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
CA000117369A
Other languages
English (en)
Inventor
Allan J. Barber
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA117369A publication Critical patent/CA117369A/fr
Expired legal-status Critical Current

Links

CA000117369A 1908-12-17 1908-12-17 Dispositif a enseignement Expired CA117369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA117369T 1908-12-17

Publications (1)

Publication Number Publication Date
CA117369A true CA117369A (fr) 1909-03-23

Family

ID=45237094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000117369A Expired CA117369A (fr) 1908-12-17 1908-12-17 Dispositif a enseignement

Country Status (1)

Country Link
CA (1) CA117369A (fr)

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