CA529261A - Record card perforating machines - Google Patents

Record card perforating machines

Info

Publication number
CA529261A
CA529261A CA529261A CA529261DA CA529261A CA 529261 A CA529261 A CA 529261A CA 529261 A CA529261 A CA 529261A CA 529261D A CA529261D A CA 529261DA CA 529261 A CA529261 A CA 529261A
Authority
CA
Canada
Prior art keywords
record card
perforating machines
card perforating
machines
record
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
CA529261A
Other languages
French (fr)
Inventor
Maul Michael
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA529261A publication Critical patent/CA529261A/en
Expired legal-status Critical Current

Links

CA529261A Record card perforating machines Expired CA529261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA529261T

Publications (1)

Publication Number Publication Date
CA529261A true CA529261A (en) 1956-08-21

Family

ID=35683007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA529261A Expired CA529261A (en) Record card perforating machines

Country Status (1)

Country Link
CA (1) CA529261A (en)

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