CA462184A - Educational device - Google Patents

Educational device

Info

Publication number
CA462184A
CA462184A CA462184A CA462184DA CA462184A CA 462184 A CA462184 A CA 462184A CA 462184 A CA462184 A CA 462184A CA 462184D A CA462184D A CA 462184DA CA 462184 A CA462184 A CA 462184A
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
CA462184A
Other languages
French (fr)
Inventor
W. Reffner Mary
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 CA462184A publication Critical patent/CA462184A/en
Expired legal-status Critical Current

Links

CA462184A Educational device Expired CA462184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA462184T

Publications (1)

Publication Number Publication Date
CA462184A true CA462184A (en) 1950-01-03

Family

ID=35591880

Family Applications (1)

Application Number Title Priority Date Filing Date
CA462184A Expired CA462184A (en) Educational device

Country Status (1)

Country Link
CA (1) CA462184A (en)

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