CA355197A - Appareil d'enseignement de classements - Google Patents

Appareil d'enseignement de classements

Info

Publication number: CA355197A
Authority: CA; Canada
Prior art keywords: filing; teaching apparatus; teaching; filing teaching
Prior art date: 1936-01-07
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

CA355197A

Other languages

English (en)

Inventor

E. H. Hubbard Nelson

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.)

Neh Hubbard Textbook Corp

Original Assignee

Neh Hubbard Textbook Corp

Publication date

1936-01-07

1936-01-07 Application granted granted Critical

1936-01-07 Publication of CA355197A publication Critical patent/CA355197A/fr

Status Expired legal-status Critical Current

Links

CA355197A Appareil d'enseignement de classements Expired CA355197A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA355197T

Publications (1)

Publication Number	Publication Date
CA355197A true CA355197A (fr)	1936-01-07

Family

ID=35343159

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA355197A Expired CA355197A (fr)			Appareil d'enseignement de classements

Country Status (1)

Country	Link
CA (1)	CA355197A (fr)

0
- CA CA355197A patent/CA355197A/fr not_active Expired

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