CA428895A - Rock drilling device for tidal passages - Google Patents

Rock drilling device for tidal passages

Info

Publication number
CA428895A
CA428895A CA428895A CA428895DA CA428895A CA 428895 A CA428895 A CA 428895A CA 428895 A CA428895 A CA 428895A CA 428895D A CA428895D A CA 428895DA CA 428895 A CA428895 A CA 428895A
Authority
CA
Canada
Prior art keywords
tidal
passages
drilling device
rock drilling
rock
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
CA428895A
Other languages
French (fr)
Inventor
Auldom Bradley Robert
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 CA428895A publication Critical patent/CA428895A/en
Expired legal-status Critical Current

Links

CA428895A Rock drilling device for tidal passages Expired CA428895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428895T

Publications (1)

Publication Number Publication Date
CA428895A true CA428895A (en) 1945-07-17

Family

ID=35543881

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428895A Expired CA428895A (en) Rock drilling device for tidal passages

Country Status (1)

Country Link
CA (1) CA428895A (en)

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