CA374331A - Rotary drilling tool - Google Patents

Rotary drilling tool

Info

Publication number
CA374331A
CA374331A CA374331A CA374331DA CA374331A CA 374331 A CA374331 A CA 374331A CA 374331 A CA374331 A CA 374331A CA 374331D A CA374331D A CA 374331DA CA 374331 A CA374331 A CA 374331A
Authority
CA
Canada
Prior art keywords
drilling tool
rotary drilling
rotary
tool
drilling
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
CA374331A
Other languages
French (fr)
Inventor
Adolphus Zublin John
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 CA374331A publication Critical patent/CA374331A/en
Expired legal-status Critical Current

Links

CA374331A Rotary drilling tool Expired CA374331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374331T

Publications (1)

Publication Number Publication Date
CA374331A true CA374331A (en) 1938-06-07

Family

ID=35378655

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374331A Expired CA374331A (en) Rotary drilling tool

Country Status (1)

Country Link
CA (1) CA374331A (en)

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