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CA719928A - Record perforating device - Google Patents

Record perforating device

Info

Publication number
CA719928A
CA719928A CA719928A CA719928DA CA719928A CA 719928 A CA719928 A CA 719928A CA 719928 A CA719928 A CA 719928A CA 719928D A CA719928D A CA 719928DA CA 719928 A CA719928 A CA 719928A
Authority
CA
Canada
Prior art keywords
perforating device
record perforating
record
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
CA719928A
Inventor
M. Schmidt Ludwig
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
Publication date
Application granted granted Critical
Publication of CA719928A publication Critical patent/CA719928A/en
Expired legal-status Critical Current

Links

CA719928A Record perforating device Expired CA719928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA719928T

Publications (1)

Publication Number Publication Date
CA719928A true CA719928A (en) 1965-10-19

Family

ID=36055501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA719928A Expired CA719928A (en) Record perforating device

Country Status (1)

Country Link
CA (1) CA719928A (en)

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