CA507788A - Machine de verification de carte-fiches - Google Patents

Machine de verification de carte-fiches

Info

Publication number
CA507788A
CA507788A CA507788A CA507788DA CA507788A CA 507788 A CA507788 A CA 507788A CA 507788 A CA507788 A CA 507788A CA 507788D A CA507788D A CA 507788DA CA 507788 A CA507788 A CA 507788A
Authority
CA
Canada
Prior art keywords
record card
card verifying
verifying machine
machine
record
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
CA507788A
Other languages
English (en)
Inventor
W. Gardinor Elliott
E. Cheney Raymond
T. Bleuer Lorin
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA507788A publication Critical patent/CA507788A/fr
Expired legal-status Critical Current

Links

CA507788A Machine de verification de carte-fiches Expired CA507788A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA507788T

Publications (1)

Publication Number Publication Date
CA507788A true CA507788A (fr) 1954-11-30

Family

ID=35653733

Family Applications (1)

Application Number Title Priority Date Filing Date
CA507788A Expired CA507788A (fr) Machine de verification de carte-fiches

Country Status (1)

Country Link
CA (1) CA507788A (fr)

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