CA480264A - Machine a perforer les dosiers - Google Patents

Machine a perforer les dosiers

Info

Publication number
CA480264A
CA480264A CA480264A CA480264DA CA480264A CA 480264 A CA480264 A CA 480264A CA 480264 A CA480264 A CA 480264A CA 480264D A CA480264D A CA 480264DA CA 480264 A CA480264 A CA 480264A
Authority
CA
Canada
Prior art keywords
perforating machine
record perforating
record
machine
perforating
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
CA480264A
Other languages
English (en)
Inventor
F. Daly George
V. A. Malmros Gustav
W. Haney Donald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA480264A publication Critical patent/CA480264A/fr
Expired legal-status Critical Current

Links

CA480264A Machine a perforer les dosiers Expired CA480264A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480264T

Publications (1)

Publication Number Publication Date
CA480264A true CA480264A (fr) 1952-01-15

Family

ID=35619940

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480264A Expired CA480264A (fr) Machine a perforer les dosiers

Country Status (1)

Country Link
CA (1) CA480264A (fr)

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