CA411288A - Perforatrice commandee par cartes - Google Patents

Perforatrice commandee par cartes

Info

Publication number
CA411288A
CA411288A CA411288A CA411288DA CA411288A CA 411288 A CA411288 A CA 411288A CA 411288 A CA411288 A CA 411288A CA 411288D A CA411288D A CA 411288DA CA 411288 A CA411288 A CA 411288A
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
CA411288A
Other languages
English (en)
Inventor
B. Johnson Reynold
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA411288A publication Critical patent/CA411288A/fr
Expired legal-status Critical Current

Links

CA411288A Perforatrice commandee par cartes Expired CA411288A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA411288T

Publications (1)

Publication Number Publication Date
CA411288A true CA411288A (fr) 1943-03-23

Family

ID=35422590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA411288A Expired CA411288A (fr) Perforatrice commandee par cartes

Country Status (1)

Country Link
CA (1) CA411288A (fr)

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