[go: up one dir, main page]

CA219125A - Faconnage des forets - Google Patents

Faconnage des forets

Info

Publication number
CA219125A
CA219125A CA219125A CA219125DA CA219125A CA 219125 A CA219125 A CA 219125A CA 219125 A CA219125 A CA 219125A CA 219125D A CA219125D A CA 219125DA CA 219125 A CA219125 A CA 219125A
Authority
CA
Canada
Prior art keywords
drills
formation
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
CA219125A
Other languages
English (en)
Inventor
P. Wineman Charles
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.)
DETROIT TWIST DRILL Co
Original Assignee
DETROIT TWIST DRILL Co
Publication date
Application granted granted Critical
Publication of CA219125A publication Critical patent/CA219125A/fr
Expired legal-status Critical Current

Links

CA219125A Faconnage des forets Expired CA219125A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA219125T

Publications (1)

Publication Number Publication Date
CA219125A true CA219125A (fr) 1922-05-30

Family

ID=35113569

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219125A Expired CA219125A (fr) Faconnage des forets

Country Status (1)

Country Link
CA (1) CA219125A (fr)

Similar Documents

Publication Publication Date Title
CA219125A (fr) Faconnage des forets
CA220850A (fr) Faconnage de forets
CA217474A (fr) Faconnage de meches helicoidales
CA221358A (fr) Perceuse a conscience
CA215221A (fr) Foret conique
CA220514A (fr) Production d'hydrocarbures
CA215726A (fr) Rodoir
CA216706A (fr) Alesoir
CA218158A (fr) Alesoir
CA223585A (fr) Production du gruau
CA224110A (fr) Production de thocorbanilide
CA221357A (fr) Perceuse manuelle
CA219727A (fr) Alesoir d'evidage de puits
CA218728A (fr) Grue
CA215501A (fr) Fabrication d'asphalte
CA226614A (fr) Mandrin de foret
CA226607A (fr) Mandrin de foret
CA220044A (fr) Construction de murs
CA218231A (fr) Foreuse
CA208987A (fr) Foret
CA224470A (fr) Foret
CA217691A (fr) Production de derivatifs d'arseno-benzol
CA220276A (fr) Foret a roc
CA219405A (fr) Teinture
CA219406A (fr) Teinture