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CA758456A - Apparatus for effecting alternate operation of the shift and unshift keys of a tape perforating machine - Google Patents

Apparatus for effecting alternate operation of the shift and unshift keys of a tape perforating machine

Info

Publication number
CA758456A
CA758456A CA758456A CA758456DA CA758456A CA 758456 A CA758456 A CA 758456A CA 758456 A CA758456 A CA 758456A CA 758456D A CA758456D A CA 758456DA CA 758456 A CA758456 A CA 758456A
Authority
CA
Canada
Prior art keywords
unshift
keys
shift
perforating machine
alternate operation
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
CA758456A
Inventor
N. Brewer Claire
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 TYPOGRAPHICAL UNION OF NORTH AMERICA
Original Assignee
INTERNATIONAL TYPOGRAPHICAL UNION OF NORTH AMERICA
Publication date
Application granted granted Critical
Publication of CA758456A publication Critical patent/CA758456A/en
Expired legal-status Critical Current

Links

CA758456A Apparatus for effecting alternate operation of the shift and unshift keys of a tape perforating machine Expired CA758456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA758456T

Publications (1)

Publication Number Publication Date
CA758456A true CA758456A (en) 1967-05-09

Family

ID=36195560

Family Applications (1)

Application Number Title Priority Date Filing Date
CA758456A Expired CA758456A (en) Apparatus for effecting alternate operation of the shift and unshift keys of a tape perforating machine

Country Status (1)

Country Link
CA (1) CA758456A (en)

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