CA444268A - Machine a poinconner des cartes-fiches - Google Patents

Machine a poinconner des cartes-fiches

Info

Publication number
CA444268A
CA444268A CA444268A CA444268DA CA444268A CA 444268 A CA444268 A CA 444268A CA 444268 A CA444268 A CA 444268A CA 444268D A CA444268D A CA 444268DA CA 444268 A CA444268 A CA 444268A
Authority
CA
Canada
Prior art keywords
punching machine
record punching
record
machine
punching
Prior art date
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
CA444268A
Other languages
English (en)
Inventor
R. Doty Charles
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA444268A publication Critical patent/CA444268A/fr
Expired legal-status Critical Current

Links

CA444268A Machine a poinconner des cartes-fiches Expired CA444268A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA444268T

Publications (1)

Publication Number Publication Date
CA444268A true CA444268A (fr) 1947-09-23

Family

ID=35561905

Family Applications (1)

Application Number Title Priority Date Filing Date
CA444268A Expired CA444268A (fr) Machine a poinconner des cartes-fiches

Country Status (1)

Country Link
CA (1) CA444268A (fr)

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