CA490342A - Appareil d'instruction d'etude du temps - Google Patents

Appareil d'instruction d'etude du temps

Info

Publication number
CA490342A
CA490342A CA490342A CA490342DA CA490342A CA 490342 A CA490342 A CA 490342A CA 490342 A CA490342 A CA 490342A CA 490342D A CA490342D A CA 490342DA CA 490342 A CA490342 A CA 490342A
Authority
CA
Canada
Prior art keywords
training apparatus
time study
study training
time
training
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
CA490342A
Other languages
English (en)
Inventor
Phil Carroll, Jr.
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 CA490342A publication Critical patent/CA490342A/fr
Expired legal-status Critical Current

Links

CA490342A Appareil d'instruction d'etude du temps Expired CA490342A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490342T

Publications (1)

Publication Number Publication Date
CA490342A true CA490342A (fr) 1953-02-10

Family

ID=35630074

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490342A Expired CA490342A (fr) Appareil d'instruction d'etude du temps

Country Status (1)

Country Link
CA (1) CA490342A (fr)

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