CA204583A - Dispositif instructeur - Google Patents

Dispositif instructeur

Info

Publication number: CA204583A
Authority: CA; Canada
Prior art keywords: educational device; educational
Prior art date: 1920-10-05
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

CA204583A

Other languages

English (en)

Inventor

L. Runyan Arthur

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.)

BLOCK-O-TYPE Co

Original Assignee

BLOCK-O-TYPE Co

Publication date

1920-10-05

1920-10-05 Application granted granted Critical

1920-10-05 Publication of CA204583A publication Critical patent/CA204583A/fr

Status Expired legal-status Critical Current

Links

CA204583A Dispositif instructeur Expired CA204583A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA204583T

Publications (1)

Publication Number	Publication Date
CA204583A true CA204583A (fr)	1920-10-05

Family

ID=35079019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA204583A Expired CA204583A (fr)			Dispositif instructeur

Country Status (1)

Country	Link
CA (1)	CA204583A (fr)

0
- CA CA204583A patent/CA204583A/fr not_active Expired

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