CA382937A - Perforatrice de cartes - Google Patents

Perforatrice de cartes

Info

Publication number
CA382937A
CA382937A CA382937A CA382937DA CA382937A CA 382937 A CA382937 A CA 382937A CA 382937 A CA382937 A CA 382937A CA 382937D A CA382937D A CA 382937DA CA 382937 A CA382937 A CA 382937A
Authority
CA
Canada
Prior art keywords
punching machine
card punching
card
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
CA382937A
Other languages
English (en)
Inventor
W. Bryce James
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA382937A publication Critical patent/CA382937A/fr
Expired legal-status Critical Current

Links

CA382937A Perforatrice de cartes Expired CA382937A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA382937T

Publications (1)

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

Family

ID=35388169

Family Applications (1)

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

Country Status (1)

Country Link
CA (1) CA382937A (fr)

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