CA295093A - Mecanisme de recul et des colonnes de perforatrice a cartes - Google Patents

Mecanisme de recul et des colonnes de perforatrice a cartes

Info

Publication number
CA295093A
CA295093A CA295093A CA295093DA CA295093A CA 295093 A CA295093 A CA 295093A CA 295093 A CA295093 A CA 295093A CA 295093D A CA295093D A CA 295093DA CA 295093 A CA295093 A CA 295093A
Authority
CA
Canada
Prior art keywords
column
back space
normalizing mechanism
perforating machines
card 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
CA295093A
Other languages
English (en)
Inventor
Walter Lasker William
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.)
ACCOUNTING AND TABULATING MACHINE Corp
Original Assignee
ACCOUNTING AND TABULATING MACHINE Corp
Publication date
Application granted granted Critical
Publication of CA295093A publication Critical patent/CA295093A/fr
Expired legal-status Critical Current

Links

CA295093A Mecanisme de recul et des colonnes de perforatrice a cartes Expired CA295093A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA295093T

Publications (1)

Publication Number Publication Date
CA295093A true CA295093A (fr) 1929-11-26

Family

ID=35232411

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295093A Expired CA295093A (fr) Mecanisme de recul et des colonnes de perforatrice a cartes

Country Status (1)

Country Link
CA (1) CA295093A (fr)

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