CA305198A - Perforating machine - Google Patents

Perforating machine

Info

Publication number
CA305198A
CA305198A CA305198A CA305198DA CA305198A CA 305198 A CA305198 A CA 305198A CA 305198 A CA305198 A CA 305198A CA 305198D A CA305198D A CA 305198DA CA 305198 A CA305198 A CA 305198A
Authority
CA
Canada
Prior art keywords
perforating machine
perforating
machine
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
CA305198A
Other languages
French (fr)
Inventor
Royden Peirce John
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 CA305198A publication Critical patent/CA305198A/en
Expired legal-status Critical Current

Links

CA305198A Perforating machine Expired CA305198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA305198T

Publications (1)

Publication Number Publication Date
CA305198A true CA305198A (en) 1930-10-28

Family

ID=35258347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305198A Expired CA305198A (en) Perforating machine

Country Status (1)

Country Link
CA (1) CA305198A (en)

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