CA868472A - Teaching apparatus - Google Patents

Teaching apparatus

Info

Publication number
CA868472A
CA868472A CA868472A CA868472DA CA868472A CA 868472 A CA868472 A CA 868472A CA 868472 A CA868472 A CA 868472A CA 868472D A CA868472D A CA 868472DA CA 868472 A CA868472 A CA 868472A
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
CA868472A
Inventor
Mayeda Wataru
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 CA868472A publication Critical patent/CA868472A/en
Expired legal-status Critical Current

Links

CA868472A Teaching apparatus Expired CA868472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA868472T

Publications (1)

Publication Number Publication Date
CA868472A true CA868472A (en) 1971-04-13

Family

ID=36354570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA868472A Expired CA868472A (en) Teaching apparatus

Country Status (1)

Country Link
CA (1) CA868472A (en)

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