CA15734A - Perfectionnements aux tableaux d'ecole - Google Patents

Perfectionnements aux tableaux d'ecole

Info

Publication number
CA15734A
CA15734A CA000015734A CA15734DA CA15734A CA 15734 A CA15734 A CA 15734A CA 000015734 A CA000015734 A CA 000015734A CA 15734D A CA15734D A CA 15734DA CA 15734 A CA15734 A CA 15734A
Authority
CA
Canada
Prior art keywords
boards
instruction
instruction boards
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
CA000015734A
Other languages
English (en)
Inventor
Thomas Packer
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 CA15734A publication Critical patent/CA15734A/fr
Expired legal-status Critical Current

Links

CA000015734A Perfectionnements aux tableaux d'ecole Expired CA15734A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA15734T

Publications (1)

Publication Number Publication Date
CA15734A true CA15734A (fr) 1882-11-06

Family

ID=45132277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000015734A Expired CA15734A (fr) Perfectionnements aux tableaux d'ecole

Country Status (1)

Country Link
CA (1) CA15734A (fr)

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