CA503577A - Machine a perforer commandee par enregistrements - Google Patents

Machine a perforer commandee par enregistrements

Info

Publication number
CA503577A
CA503577A CA503577A CA503577DA CA503577A CA 503577 A CA503577 A CA 503577A CA 503577 A CA503577 A CA 503577A CA 503577D A CA503577D A CA 503577DA CA 503577 A CA503577 A CA 503577A
Authority
CA
Canada
Prior art keywords
perforating machine
record controlled
controlled perforating
record
machine
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
CA503577A
Other languages
English (en)
Inventor
R. Doty Charles
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA503577A publication Critical patent/CA503577A/fr
Expired legal-status Critical Current

Links

CA503577A Machine a perforer commandee par enregistrements Expired CA503577A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA503577T

Publications (1)

Publication Number Publication Date
CA503577A true CA503577A (fr) 1954-06-08

Family

ID=35649494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA503577A Expired CA503577A (fr) Machine a perforer commandee par enregistrements

Country Status (1)

Country Link
CA (1) CA503577A (fr)

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