CA214505A - Electrically heated perforator - Google Patents

Electrically heated perforator

Info

Publication number
CA214505A
CA214505A CA214505A CA214505DA CA214505A CA 214505 A CA214505 A CA 214505A CA 214505 A CA214505 A CA 214505A CA 214505D A CA214505D A CA 214505DA CA 214505 A CA214505 A CA 214505A
Authority
CA
Canada
Prior art keywords
electrically heated
heated perforator
perforator
electrically
heated
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
CA214505A
Other languages
French (fr)
Inventor
Blackwood Campbell Alexander
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA214505A publication Critical patent/CA214505A/en
Expired legal-status Critical Current

Links

CA214505A Electrically heated perforator Expired CA214505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214505T

Publications (1)

Publication Number Publication Date
CA214505A true CA214505A (en) 1921-12-06

Family

ID=35108949

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214505A Expired CA214505A (en) Electrically heated perforator

Country Status (1)

Country Link
CA (1) CA214505A (en)

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