CA379048A - Machine a trier les dossiers perfores - Google Patents

Machine a trier les dossiers perfores

Info

Publication number: CA379048A
Authority: CA; Canada
Prior art keywords: sorting machine; perforated record; record sorting; perforated; machine
Prior art date: 1939-01-24
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

CA379048A

Other languages

Inventor

H. Fronefield Louis

Original Assignee

International Business Machines Corp

Publication date

1939-01-24

1939-01-24 Application granted granted Critical

1939-01-24 Publication of CA379048A publication Critical patent/CA379048A/fr

Status Expired legal-status Critical Current

CA379048A Machine a trier les dossiers perfores Expired CA379048A (fr)

Application Number	Priority Date	Filing Date	Title
CA379048T

Publication Number	Publication Date
CA379048A true CA379048A (fr)	1939-01-24

Application Number	Title	Priority Date	Filing Date
CA379048A Expired CA379048A (fr)			Machine a trier les dossiers perfores

Country	Link
CA (1)	CA379048A (fr)

Publication	Publication Date	Title
CA379048A (fr)	1939-01-24	Machine a trier les dossiers perfores
CA381726A (fr)	1939-05-30	Machine controlee par cartes-dossiers
CA382173A (fr)	1939-06-20	Machine controlee par cartes
CA385472A (fr)	1939-12-05	Machine a triage des cartes
CA382757A (fr)	1939-07-18	Machine a poinconner des cartes
CA380134A (fr)	1939-03-14	Machine a tamiser la pulpe
CA379279A (fr)	1939-01-31	Machine a feuilleter la pate
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
CA381242A (fr)	1939-05-09	Boite de front de machine a pulpe
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
CA385256A (fr)	1939-11-21	Machine a reproduction de modeles
CA384714A (fr)	1939-10-17	Machine a tabulation
CA381338A (fr)	1939-05-09	Machine de tabulation
CA381939A (fr)	1939-06-06	Machine de tabulation
CA385012A (fr)	1939-11-07	Machine de tabulation
CA385471A (fr)	1939-12-05	Machine de tabulation
CA385252A (fr)	1939-11-21	Perforatrice