CA472155A - Mecanismes de comparaison de fiches - Google Patents

Mecanismes de comparaison de fiches

Info

Publication number
CA472155A
CA472155A CA472155A CA472155DA CA472155A CA 472155 A CA472155 A CA 472155A CA 472155 A CA472155 A CA 472155A CA 472155D A CA472155D A CA 472155DA CA 472155 A CA472155 A CA 472155A
Authority
CA
Canada
Prior art keywords
comparing mechanism
comparing
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
CA472155A
Other languages
English (en)
Inventor
C. Hallden Fred
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 CA472155A publication Critical patent/CA472155A/fr
Expired legal-status Critical Current

Links

CA472155A Mecanismes de comparaison de fiches Expired CA472155A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472155T

Publications (1)

Publication Number Publication Date
CA472155A true CA472155A (fr) 1951-03-13

Family

ID=35606112

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472155A Expired CA472155A (fr) Mecanismes de comparaison de fiches

Country Status (1)

Country Link
CA (1) CA472155A (fr)

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