CA415783A - Dispositif d'enseignement - Google Patents

Dispositif d'enseignement

Info

Publication number
CA415783A
CA415783A CA415783A CA415783DA CA415783A CA 415783 A CA415783 A CA 415783A CA 415783 A CA415783 A CA 415783A CA 415783D A CA415783D A CA 415783DA CA 415783 A CA415783 A CA 415783A
Authority
CA
Canada
Prior art keywords
educational device
educational
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
CA415783A
Other languages
English (en)
Inventor
B. Johnson Reynold
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA415783A publication Critical patent/CA415783A/fr
Expired legal-status Critical Current

Links

CA415783A Dispositif d'enseignement Expired CA415783A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA415783T

Publications (1)

Publication Number Publication Date
CA415783A true CA415783A (fr) 1943-10-12

Family

ID=35524997

Family Applications (1)

Application Number Title Priority Date Filing Date
CA415783A Expired CA415783A (fr) Dispositif d'enseignement

Country Status (1)

Country Link
CA (1) CA415783A (fr)

Similar Documents

Publication Publication Date Title
CA415783A (fr) Dispositif d'enseignement
AU118898B2 (en) Platen-levelling device
CA412406A (fr) Dispositif electrique a vapeurs
CA411360A (fr) Dispositif a representation d'objets
CA415630A (fr) Dispositif de raccord
CA415832A (fr) Dispositif a mathematiques
CA410404A (fr) Dispositif de publicite
AU876243A (en) Platen-levelling device
CA414999A (fr) Dispositif de montre
CA415975A (fr) Appareil d'entrainement
CA415430A (fr) Dispositif a mediannes
CA414449A (fr) Dispositif de montre d'articles de nouveaute
CA414456A (fr) Appareil enregistreur de balance
CA410765A (fr) Dispositif de rheostat
CA416239A (fr) Dispositif a culture physique
CA412670A (fr) Dispositif de traction
CA410912A (fr) Dispositif de transmission de caracteres
CA410511A (fr) Dispositif de minuterie
CA414051A (fr) Dispositif de minuterie
CA410408A (fr) Dispositif d'eclairage
CA416238A (fr) Dispositif d'eclairage
CA410184A (fr) Dispositif de tracteur
CA416146A (fr) Appareil a fermer les bidons
CA410547A (fr) Appareil d'exercise
CA417087A (fr) Dispositif d'etui a clefs