CA282331A - Outil expansible de forage - Google Patents

Outil expansible de forage

Info

Publication number
CA282331A
CA282331A CA282331A CA282331DA CA282331A CA 282331 A CA282331 A CA 282331A CA 282331 A CA282331 A CA 282331A CA 282331D A CA282331D A CA 282331DA CA 282331 A CA282331 A CA 282331A
Authority
CA
Canada
Prior art keywords
boring tool
expansible
expansible boring
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
CA282331A
Other languages
English (en)
Inventor
E. Davis Emery
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.)
DAVIS BORING TOOL Co
Original Assignee
DAVIS BORING TOOL Co
Publication date
Application granted granted Critical
Publication of CA282331A publication Critical patent/CA282331A/fr
Expired legal-status Critical Current

Links

CA282331A Outil expansible de forage Expired CA282331A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA282331T

Publications (1)

Publication Number Publication Date
CA282331A true CA282331A (fr) 1928-08-07

Family

ID=35215423

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282331A Expired CA282331A (fr) Outil expansible de forage

Country Status (1)

Country Link
CA (1) CA282331A (fr)

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