CA707493A - Educational device - Google Patents

Educational device

Info

Publication number
CA707493A
CA707493A CA707493A CA707493DA CA707493A CA 707493 A CA707493 A CA 707493A CA 707493 A CA707493 A CA 707493A CA 707493D A CA707493D A CA 707493DA CA 707493 A CA707493 A CA 707493A
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
CA707493A
Inventor
R. Uttal 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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA707493A publication Critical patent/CA707493A/en
Expired legal-status Critical Current

Links

CA707493A Educational device Expired CA707493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA707493T

Publications (1)

Publication Number Publication Date
CA707493A true CA707493A (en) 1965-04-13

Family

ID=36021180

Family Applications (1)

Application Number Title Priority Date Filing Date
CA707493A Expired CA707493A (en) Educational device

Country Status (1)

Country Link
CA (1) CA707493A (en)

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