CA373565A - Perforating apparatus - Google Patents

Perforating apparatus

Info

Publication number
CA373565A
CA373565A CA373565A CA373565DA CA373565A CA 373565 A CA373565 A CA 373565A CA 373565 A CA373565 A CA 373565A CA 373565D A CA373565D A CA 373565DA CA 373565 A CA373565 A CA 373565A
Authority
CA
Canada
Prior art keywords
perforating apparatus
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
CA373565A
Other languages
French (fr)
Inventor
Glenn Johnstone Harold
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA373565A publication Critical patent/CA373565A/en
Expired legal-status Critical Current

Links

CA373565A Perforating apparatus Expired CA373565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA373565T

Publications (1)

Publication Number Publication Date
CA373565A true CA373565A (en) 1938-05-03

Family

ID=35377889

Family Applications (1)

Application Number Title Priority Date Filing Date
CA373565A Expired CA373565A (en) Perforating apparatus

Country Status (1)

Country Link
CA (1) CA373565A (en)

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