CA632633A - Educational device - Google Patents

Educational device

Info

Publication number
CA632633A
CA632633A CA632633A CA632633DA CA632633A CA 632633 A CA632633 A CA 632633A CA 632633 A CA632633 A CA 632633A CA 632633D A CA632633D A CA 632633DA CA 632633 A CA632633 A CA 632633A
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
CA632633A
Inventor
H. Watkins Daniel
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.)
WATKINS-STRATHMORE Co
Original Assignee
WATKINS-STRATHMORE Co
Publication date
Application granted granted Critical
Publication of CA632633A publication Critical patent/CA632633A/en
Expired legal-status Critical Current

Links

CA632633A Educational device Expired CA632633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA632633T

Publications (1)

Publication Number Publication Date
CA632633A true CA632633A (en) 1961-12-12

Family

ID=35888782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA632633A Expired CA632633A (en) Educational device

Country Status (1)

Country Link
CA (1) CA632633A (en)

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