CA426884A - Machine a perforer les cartes - Google Patents

Machine a perforer les cartes

Info

Publication number: CA426884A
Authority: CA; Canada
Prior art keywords: punching machine; card punching; card; machine; punching
Prior art date: 1945-04-17
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

CA426884A

Other languages

Inventor

D. Lake Clair

E. Hamilton Francis

Original Assignee

International Business Machines Corp

Publication date

1945-04-17

1945-04-17 Application granted granted Critical

1945-04-17 Publication of CA426884A publication Critical patent/CA426884A/fr

Status Expired legal-status Critical Current

CA426884A Machine a perforer les cartes Expired CA426884A (fr)

Application Number	Priority Date	Filing Date	Title
CA426884T

Publication Number	Publication Date
CA426884A true CA426884A (fr)	1945-04-17

Application Number	Title	Priority Date	Filing Date
CA426884A Expired CA426884A (fr)			Machine a perforer les cartes

Country	Link
CA (1)	CA426884A (fr)

Publication	Publication Date	Title
CA431650A (fr)	1945-12-04	Perforatrice de cartes
CA431049A (fr)	1945-11-06	Perforatrice
CA430069A (fr)	1945-09-11	Perforatrice
CA431832A (fr)	1945-12-11	Perforatrice
CA429073A (fr)	1945-07-31	Dispositif de la table de machine
CA425608A (fr)	1945-02-20	Carte d'echantillons
CA431450A (fr)	1945-11-27	Dispositif a perforer les cartes de presence
CA442270A (fr)	1947-06-17	Poinconneuse de cartes
CA424905A (fr)	1945-01-09	Appareil a poinconner
CA430490A (fr)	1945-10-09	Appareil a poinconner
CA430708A (fr)	1945-10-16	Bobinoir
CA431834A (fr)	1945-12-11	Distributeur de liqueurs diverses
CA426646A (fr)	1945-04-10	Dispositif a poinconner
CA424904A (fr)	1945-01-09	Dispositif a poinconner
AU124289B2 (en)	1947-05-29	Improvements in paper punches
AU127314B2 (en)		Improvements in paper punches
AU130004B2 (en)	1947-02-27	Bending machine
AU126214B2 (en)	1947-12-24	Improved draughting machine
CA425263A (fr)	1945-01-30	Machine a servir des bandes
CA425957A (fr)	1945-03-06	Machine a trier
CA428719A (fr)	1945-07-10	Classeur de cartes
CA428478A (fr)	1945-07-03	Machine a briquettes
CA427780A (fr)	1945-05-29	Machine a fabriquer des bidons
CA428736A (fr)	1945-07-10	Trancheuse
CA424981A (fr)	1945-01-09	Trancheuse