CA382937A - Perforatrice de cartes - Google Patents

Perforatrice de cartes

Info

Publication number: CA382937A
Authority: CA; Canada
Prior art keywords: punching machine; card punching; card; machine; punching
Prior art date: 1939-07-25
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

CA382937A

Other languages

Inventor

W. Bryce James

Original Assignee

International Business Machines Corp

Publication date

1939-07-25

1939-07-25 Application granted granted Critical

1939-07-25 Publication of CA382937A publication Critical patent/CA382937A/fr

Status Expired legal-status Critical Current

CA382937A Perforatrice de cartes Expired CA382937A (fr)

Application Number	Priority Date	Filing Date	Title
CA382937T

Publication Number	Publication Date
CA382937A true CA382937A (fr)	1939-07-25

Application Number	Title	Priority Date	Filing Date
CA382937A Expired CA382937A (fr)			Perforatrice de cartes

Country	Link
CA (1)	CA382937A (fr)

Publication	Publication Date	Title
CA382937A (fr)	1939-07-25	Perforatrice de cartes
CA378955A (fr)	1939-01-17	Poinconneuse de cartes
CA368249A (fr)	1937-08-24	Machine a poinconner des cartes
CA387431A (fr)	1940-03-12	Poinconneuse des cartes
CA391371A (fr)	1940-09-17	Poinconneuse de cartes
CA382785A (fr)	1939-07-18	Machine a billets
CA385472A (fr)	1939-12-05	Machine a triage des cartes
CA385252A (fr)	1939-11-21	Perforatrice
CA382230A (fr)	1939-06-20	Machine a statistiques actionnee par cartes
CA376428A (fr)	1938-09-13	Poinconneuse
CA381151A (fr)	1939-05-02	Carte de machine-comptable
CA368412A (fr)	1937-08-31	Poinconneuse
CA381338A (fr)	1939-05-09	Machine de tabulation
CA381939A (fr)	1939-06-06	Machine de tabulation
CA384714A (fr)	1939-10-17	Machine a tabulation
CA385012A (fr)	1939-11-07	Machine de tabulation
CA385471A (fr)	1939-12-05	Machine de tabulation
CA379471A (fr)	1939-02-07	Carte d'identite
CA380257A (fr)	1939-03-21	Machine a scrutin
CA371487A (fr)	1938-01-25	Trieuse de cartes
AU110026B2 (en)	1940-03-02	Embossing machines
CA379227A (fr)	1939-01-31	Machine a produire des reliefs
CA368129A (fr)	1937-08-17	Poinconneuse de cartes
CA381316A (fr)	1939-05-09	Machine a fendre les bardeaux
CA384452A (fr)	1939-10-03	Machine a rectifier les rails