CA306467A - Perforatrice subaquatique a roc - Google Patents

Perforatrice subaquatique a roc

Info

Publication number
CA306467A
CA306467A CA306467A CA306467DA CA306467A CA 306467 A CA306467 A CA 306467A CA 306467 A CA306467 A CA 306467A CA 306467D A CA306467D A CA 306467DA CA 306467 A CA306467 A CA 306467A
Authority
CA
Canada
Prior art keywords
subaquatic
drilling device
rock drilling
rock
subaquatic 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
CA306467A
Other languages
English (en)
Inventor
D. Grant William
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 CA306467A publication Critical patent/CA306467A/fr
Expired legal-status Critical Current

Links

CA306467A Perforatrice subaquatique a roc Expired CA306467A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306467T

Publications (1)

Publication Number Publication Date
CA306467A true CA306467A (fr) 1930-12-09

Family

ID=35259618

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306467A Expired CA306467A (fr) Perforatrice subaquatique a roc

Country Status (1)

Country Link
CA (1) CA306467A (fr)

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