CA541055A - Rock drilling apparatus for curved bores - Google Patents

Rock drilling apparatus for curved bores

Info

Publication number
CA541055A
CA541055A CA541055A CA541055DA CA541055A CA 541055 A CA541055 A CA 541055A CA 541055 A CA541055 A CA 541055A CA 541055D A CA541055D A CA 541055DA CA 541055 A CA541055 A CA 541055A
Authority
CA
Canada
Prior art keywords
drilling apparatus
rock drilling
curved bores
bores
curved
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
CA541055A
Other languages
French (fr)
Inventor
A. 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 CA541055A publication Critical patent/CA541055A/en
Expired legal-status Critical Current

Links

CA541055A Rock drilling apparatus for curved bores Expired CA541055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA541055T

Publications (1)

Publication Number Publication Date
CA541055A true CA541055A (en) 1957-05-21

Family

ID=35698201

Family Applications (1)

Application Number Title Priority Date Filing Date
CA541055A Expired CA541055A (en) Rock drilling apparatus for curved bores

Country Status (1)

Country Link
CA (1) CA541055A (en)

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