CA378955A - Poinconneuse de cartes - Google Patents

Poinconneuse de cartes

Info

Publication number: CA378955A
Authority: CA; Canada
Prior art keywords: card punch; punch; card
Prior art date: 1939-01-17
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

CA378955A

Other languages

Inventor

E. Page Ralph

Original Assignee

International Business Machines Corp

Publication date

1939-01-17

1939-01-17 Application granted granted Critical

1939-01-17 Publication of CA378955A publication Critical patent/CA378955A/fr

Status Expired legal-status Critical Current

CA378955A Poinconneuse de cartes Expired CA378955A (fr)

Application Number	Priority Date	Filing Date	Title
CA378955T

Publication Number	Publication Date
CA378955A true CA378955A (fr)	1939-01-17

Application Number	Title	Priority Date	Filing Date
CA378955A Expired CA378955A (fr)			Poinconneuse de cartes

Country	Link
CA (1)	CA378955A (fr)

Publication	Publication Date	Title
CA378955A (fr)	1939-01-17	Poinconneuse de cartes
CA382937A (fr)	1939-07-25	Perforatrice de cartes
CA379471A (fr)	1939-02-07	Carte d'identite
CA368129A (fr)	1937-08-17	Poinconneuse de cartes
CA382628A (fr)	1939-07-11	Press a matricer
CA374739A (fr)	1938-06-28	Carte de tabulation
CA380183A (fr)	1939-03-21	Coupe-circuit
CA380181A (fr)	1939-03-21	Coupe-circuit
CA381705A (fr)	1939-05-30	Appareil a remplir les cheques
CA382078A (fr)	1939-06-13	Presse
CA382414A (fr)	1939-07-04	Presse aero-hydraulique
CA382458A (fr)	1939-07-04	Lisiere de billets
CA388244A (fr)	1940-04-23	Poinconneuse de cartes a statistiques
CA379521A (fr)	1939-02-07	Fabrication de cartes a dossiers
CA384813A (fr)	1939-10-24	Rivet
CA378952A (fr)	1939-01-17	Teinture nitreuse
CA379204A (fr)	1939-01-24	Tellurion
CA379258A (fr)	1939-01-31	Machine a sentiers
CA379607A (fr)	1939-02-14	Bande a lier
CA379676A (fr)	1939-02-21	Meule a pulpe
CA381176A (fr)	1939-05-02	Meule a pulpe
CA381180A (fr)	1939-05-02	Meule a pulpe
CA381707A (fr)	1939-05-30	Lustre
CA381770A (fr)	1939-05-30	Heptacarbocyanine
CA381771A (fr)	1939-05-30	Pentacarbocyanine