CA287237A - Perforateur - Google Patents

Perforateur

Info

Publication number
CA287237A
CA287237A CA287237A CA287237DA CA287237A CA 287237 A CA287237 A CA 287237A CA 287237 A CA287237 A CA 287237A CA 287237D A CA287237D A CA 287237DA CA 287237 A CA287237 A CA 287237A
Authority
CA
Canada
Prior art keywords
perforator
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
CA287237A
Other languages
English (en)
Inventor
Karl F. Ewald Berhard
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.)
Tabulating Machine Co
Original Assignee
Tabulating Machine Co
Publication date
Application granted granted Critical
Publication of CA287237A publication Critical patent/CA287237A/fr
Expired legal-status Critical Current

Links

CA287237A Perforateur Expired CA287237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA287237T

Publications (1)

Publication Number Publication Date
CA287237A true CA287237A (fr) 1929-02-12

Family

ID=35224049

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287237A Expired CA287237A (fr) Perforateur

Country Status (1)

Country Link
CA (1) CA287237A (fr)

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