CA509829A - Outil de forage de terre - Google Patents

Outil de forage de terre

Info

Publication number
CA509829A
CA509829A CA509829A CA509829DA CA509829A CA 509829 A CA509829 A CA 509829A CA 509829 A CA509829 A CA 509829A CA 509829D A CA509829D A CA 509829DA CA 509829 A CA509829 A CA 509829A
Authority
CA
Canada
Prior art keywords
boring tool
earth boring
earth
tool
boring
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
CA509829A
Other languages
English (en)
Inventor
L. Michael Gurney
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 CA509829A publication Critical patent/CA509829A/fr
Expired legal-status Critical Current

Links

CA509829A Outil de forage de terre Expired CA509829A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA509829T

Publications (1)

Publication Number Publication Date
CA509829A true CA509829A (fr) 1955-02-08

Family

ID=35660885

Family Applications (1)

Application Number Title Priority Date Filing Date
CA509829A Expired CA509829A (fr) Outil de forage de terre

Country Status (1)

Country Link
CA (1) CA509829A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832143A (en) * 1987-04-21 1989-05-23 Cledisc International B.V. Rotary drilling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832143A (en) * 1987-04-21 1989-05-23 Cledisc International B.V. Rotary drilling device

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