CA479109A - Tabulating machines - Google Patents

Tabulating machines

Info

Publication number
CA479109A
CA479109A CA479109A CA479109DA CA479109A CA 479109 A CA479109 A CA 479109A CA 479109 A CA479109 A CA 479109A CA 479109D A CA479109D A CA 479109DA CA 479109 A CA479109 A CA 479109A
Authority
CA
Canada
Prior art keywords
tabulating machines
tabulating
machines
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
CA479109A
Other languages
French (fr)
Inventor
M. Carroll Fred
F. Smith Arthur
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 CA479109A publication Critical patent/CA479109A/en
Expired legal-status Critical Current

Links

CA479109A Tabulating machines Expired CA479109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA479109T

Publications (1)

Publication Number Publication Date
CA479109A true CA479109A (en) 1951-12-04

Family

ID=35618775

Family Applications (1)

Application Number Title Priority Date Filing Date
CA479109A Expired CA479109A (en) Tabulating machines

Country Status (1)

Country Link
CA (1) CA479109A (en)

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