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CA767862A - Educational device - Google Patents

Educational device

Info

Publication number
CA767862A
CA767862A CA767862A CA767862DA CA767862A CA 767862 A CA767862 A CA 767862A CA 767862 A CA767862 A CA 767862A CA 767862D A CA767862D A CA 767862DA CA 767862 A CA767862 A CA 767862A
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
CA767862A
Inventor
W. Hagelbarger David
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA767862A publication Critical patent/CA767862A/en
Expired legal-status Critical Current

Links

CA767862A Educational device Expired CA767862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA767862T

Publications (1)

Publication Number Publication Date
CA767862A true CA767862A (en) 1967-09-26

Family

ID=36211270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA767862A Expired CA767862A (en) Educational device

Country Status (1)

Country Link
CA (1) CA767862A (en)

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