CA382757A - Machine a poinconner des cartes - Google Patents

Machine a poinconner des cartes

Info

Publication number: CA382757A
Authority: CA; Canada
Prior art keywords: record; puncturing machine; puncturing; machine; record puncturing
Prior art date: 1939-07-18
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

CA382757A

Other languages

Inventor

E. Paris Robert

Original Assignee

International Business Machines Corp

Publication date

1939-07-18

1939-07-18 Application granted granted Critical

1939-07-18 Publication of CA382757A publication Critical patent/CA382757A/fr

Status Expired legal-status Critical Current

CA382757A Machine a poinconner des cartes Expired CA382757A (fr)

Application Number	Priority Date	Filing Date	Title
CA382757T

Publication Number	Publication Date
CA382757A true CA382757A (fr)	1939-07-18

Application Number	Title	Priority Date	Filing Date
CA382757A Expired CA382757A (fr)			Machine a poinconner des cartes

Country	Link
CA (1)	CA382757A (fr)

Publication	Publication Date	Title
CA382757A (fr)	1939-07-18	Machine a poinconner des cartes
CA382173A (fr)	1939-06-20	Machine controlee par cartes
CA381726A (fr)	1939-05-30	Machine controlee par cartes-dossiers
CA381316A (fr)	1939-05-09	Machine a fendre les bardeaux
CA384452A (fr)	1939-10-03	Machine a rectifier les rails
CA384708A (fr)	1939-10-17	Machine a tamales
CA379279A (fr)	1939-01-31	Machine a feuilleter la pate
CA385252A (fr)	1939-11-21	Perforatrice
CA380052A (fr)	1939-03-14	Dossier
CA383461A (fr)	1939-08-15	Machine de comptabilite
CA384714A (fr)	1939-10-17	Machine a tabulation
CA385012A (fr)	1939-11-07	Machine de tabulation
CA385471A (fr)	1939-12-05	Machine de tabulation
CA381338A (fr)	1939-05-09	Machine de tabulation
CA381939A (fr)	1939-06-06	Machine de tabulation
CA382176A (fr)	1939-06-20	Machine a imprimer controlee par cartes
CA383693A (fr)	1939-08-29	Machine a feuilles des salaires
CA379411A (fr)	1939-02-07	Machine a duplicata
CA384563A (fr)	1939-10-10	Machine a duplicata
CA384564A (fr)	1939-10-10	Machine a duplicata
CA384569A (fr)	1939-10-10	Machine a duplicata
CA385190A (fr)	1939-11-21	Machine a duplicata
CA385610A (fr)	1939-12-12	Machine a copies
CA385611A (fr)	1939-12-12	Machine a copies
CA382851A (fr)	1939-07-25	Machine a sarcler