CA383136A - Perforatrice inincrassable - Google Patents

Perforatrice inincrassable

Info

Publication number
CA383136A
CA383136A CA383136A CA383136DA CA383136A CA 383136 A CA383136 A CA 383136A CA 383136 A CA383136 A CA 383136A CA 383136D A CA383136D A CA 383136DA CA 383136 A CA383136 A CA 383136A
Authority
CA
Canada
Prior art keywords
fouling
drill
fouling drill
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
CA383136A
Other languages
English (en)
Inventor
Vanderpool Wade
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.)
DEE WAKEFIELD
Original Assignee
DEE WAKEFIELD
Publication date
Application granted granted Critical
Publication of CA383136A publication Critical patent/CA383136A/fr
Expired legal-status Critical Current

Links

CA383136A Perforatrice inincrassable Expired CA383136A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA383136T

Publications (1)

Publication Number Publication Date
CA383136A true CA383136A (fr) 1939-08-01

Family

ID=35388368

Family Applications (1)

Application Number Title Priority Date Filing Date
CA383136A Expired CA383136A (fr) Perforatrice inincrassable

Country Status (1)

Country Link
CA (1) CA383136A (fr)

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