GB874471A - - Google Patents

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Publication number
GB874471A
GB874471A GB874471DA GB874471A GB 874471 A GB874471 A GB 874471A GB 874471D A GB874471D A GB 874471DA GB 874471 A GB874471 A GB 874471A
Authority
GB
United Kingdom
Prior art keywords
punch
disc
solenoid
row
period
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.)
Active
Application number
Other languages
English (en)
Publication of GB874471A publication Critical patent/GB874471A/en
Active legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB874471D Active GB874471A (enExample)

Publications (1)

Publication Number Publication Date
GB874471A true GB874471A (enExample)

Family

ID=1752886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB874471D Active GB874471A (enExample)

Country Status (1)

Country Link
GB (1) GB874471A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422079A (en) * 1981-02-20 1983-12-20 Simplex Time Recorder Co. Time recorder registration apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422079A (en) * 1981-02-20 1983-12-20 Simplex Time Recorder Co. Time recorder registration apparatus

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