CA530705A - Outil de forage au rocher - Google Patents

Outil de forage au rocher

Info

Publication number
CA530705A
CA530705A CA530705A CA530705DA CA530705A CA 530705 A CA530705 A CA 530705A CA 530705 A CA530705 A CA 530705A CA 530705D A CA530705D A CA 530705DA CA 530705 A CA530705 A CA 530705A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
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
CA530705A
Other languages
English (en)
Inventor
J. Toms Ernest
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 CA530705A publication Critical patent/CA530705A/fr
Expired legal-status Critical Current

Links

CA530705A Outil de forage au rocher Expired CA530705A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA530705T

Publications (1)

Publication Number Publication Date
CA530705A true CA530705A (fr) 1956-09-25

Family

ID=35684466

Family Applications (1)

Application Number Title Priority Date Filing Date
CA530705A Expired CA530705A (fr) Outil de forage au rocher

Country Status (1)

Country Link
CA (1) CA530705A (fr)

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