CA779088A - Visible perforating apparatus - Google Patents

Visible perforating apparatus

Info

Publication number
CA779088A
CA779088A CA779088A CA779088DA CA779088A CA 779088 A CA779088 A CA 779088A CA 779088 A CA779088 A CA 779088A CA 779088D A CA779088D A CA 779088DA CA 779088 A CA779088 A CA 779088A
Authority
CA
Canada
Prior art keywords
visible
perforating apparatus
perforating
visible 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
CA779088A
Inventor
L. Dollenmayer 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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA779088A publication Critical patent/CA779088A/en
Expired legal-status Critical Current

Links

CA779088A Visible perforating apparatus Expired CA779088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA779088T

Publications (1)

Publication Number Publication Date
CA779088A true CA779088A (en) 1968-02-27

Family

ID=36226404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA779088A Expired CA779088A (en) Visible perforating apparatus

Country Status (1)

Country Link
CA (1) CA779088A (en)

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