CA830722A - Educational device - Google Patents

Educational device

Info

Publication number
CA830722A
CA830722A CA830722A CA830722DA CA830722A CA 830722 A CA830722 A CA 830722A CA 830722 A CA830722 A CA 830722A CA 830722D A CA830722D A CA 830722DA CA 830722 A CA830722 A CA 830722A
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
CA830722A
Inventor
Baker Melvin
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 CA830722A publication Critical patent/CA830722A/en
Expired legal-status Critical Current

Links

CA830722A Educational device Expired CA830722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA830722T

Publications (1)

Publication Number Publication Date
CA830722A true CA830722A (en) 1969-12-30

Family

ID=36308184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA830722A Expired CA830722A (en) Educational device

Country Status (1)

Country Link
CA (1) CA830722A (en)

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