CA910620A - Teaching apparatus - Google Patents

Teaching apparatus

Info

Publication number
CA910620A
CA910620A CA910620A CA910620DA CA910620A CA 910620 A CA910620 A CA 910620A CA 910620 A CA910620 A CA 910620A CA 910620D A CA910620D A CA 910620DA CA 910620 A CA910620 A CA 910620A
Authority
CA
Canada
Prior art keywords
teaching apparatus
teaching
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
CA910620A
Inventor
D. Bissell James
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 CA910620A publication Critical patent/CA910620A/en
Expired legal-status Critical Current

Links

CA910620A Teaching apparatus Expired CA910620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA910620T

Publications (1)

Publication Number Publication Date
CA910620A true CA910620A (en) 1972-09-26

Family

ID=36418239

Family Applications (1)

Application Number Title Priority Date Filing Date
CA910620A Expired CA910620A (en) Teaching apparatus

Country Status (1)

Country Link
CA (1) CA910620A (en)

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