CA466699A - Record perforation analysing means - Google Patents

Record perforation analysing means

Info

Publication number
CA466699A
CA466699A CA466699A CA466699DA CA466699A CA 466699 A CA466699 A CA 466699A CA 466699 A CA466699 A CA 466699A CA 466699D A CA466699D A CA 466699DA CA 466699 A CA466699 A CA 466699A
Authority
CA
Canada
Prior art keywords
analysing means
record perforation
perforation
record
analysing
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
CA466699A
Other languages
French (fr)
Inventor
E. Page Ralph
S. Beattie Horace
F. Daly George
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 CA466699A publication Critical patent/CA466699A/en
Expired legal-status Critical Current

Links

CA466699A Record perforation analysing means Expired CA466699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA466699T

Publications (1)

Publication Number Publication Date
CA466699A true CA466699A (en) 1950-07-18

Family

ID=35596459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA466699A Expired CA466699A (en) Record perforation analysing means

Country Status (1)

Country Link
CA (1) CA466699A (en)

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