CA294354A - Duplicating punching device - Google Patents

Duplicating punching device

Info

Publication number
CA294354A
CA294354A CA294354A CA294354DA CA294354A CA 294354 A CA294354 A CA 294354A CA 294354 A CA294354 A CA 294354A CA 294354D A CA294354D A CA 294354DA CA 294354 A CA294354 A CA 294354A
Authority
CA
Canada
Prior art keywords
punching device
duplicating
duplicating punching
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
CA294354A
Other languages
French (fr)
Inventor
H. Phillips Burdett
L. Lee Fred
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 CA294354A publication Critical patent/CA294354A/en
Expired legal-status Critical Current

Links

CA294354A Duplicating punching device Expired CA294354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA294354T

Publications (1)

Publication Number Publication Date
CA294354A true CA294354A (en) 1929-10-29

Family

ID=35231672

Family Applications (1)

Application Number Title Priority Date Filing Date
CA294354A Expired CA294354A (en) Duplicating punching device

Country Status (1)

Country Link
CA (1) CA294354A (en)

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