CA188597A - Appareil d'instruction - Google Patents

Appareil d'instruction

Info

Publication number
CA188597A
CA188597A CA000188597A CA188597DA CA188597A CA 188597 A CA188597 A CA 188597A CA 000188597 A CA000188597 A CA 000188597A CA 188597D A CA188597D A CA 188597DA CA 188597 A CA188597 A CA 188597A
Authority
CA
Canada
Prior art keywords
educational appliance
educational
appliance
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
CA000188597A
Other languages
English (en)
Inventor
Charles Percy Watson
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA188597A publication Critical patent/CA188597A/fr
Expired legal-status Critical Current

Links

CA000188597A 1918-08-16 1918-08-16 Appareil d'instruction Expired CA188597A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA188597T 1918-08-16

Publications (1)

Publication Number Publication Date
CA188597A true CA188597A (fr) 1919-02-04

Family

ID=45308248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000188597A Expired CA188597A (fr) 1918-08-16 1918-08-16 Appareil d'instruction

Country Status (1)

Country Link
CA (1) CA188597A (fr)

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