CA357314A - Mecanisme a perforer - Google Patents

Mecanisme a perforer

Info

Publication number
CA357314A
CA357314A CA357314A CA357314DA CA357314A CA 357314 A CA357314 A CA 357314A CA 357314 A CA357314 A CA 357314A CA 357314D A CA357314D A CA 357314DA CA 357314 A CA357314 A CA 357314A
Authority
CA
Canada
Prior art keywords
punching mechanism
punching
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
CA357314A
Other languages
English (en)
Inventor
H. Dickinson Arthur
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 Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA357314A publication Critical patent/CA357314A/fr
Expired legal-status Critical Current

Links

CA357314A Mecanisme a perforer Expired CA357314A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA357314T

Publications (1)

Publication Number Publication Date
CA357314A true CA357314A (fr) 1936-04-21

Family

ID=35356654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA357314A Expired CA357314A (fr) Mecanisme a perforer

Country Status (1)

Country Link
CA (1) CA357314A (fr)

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