CA1015352A - Perforation du roc - Google Patents

Perforation du roc

Info

Publication number
CA1015352A
CA1015352A CA210,563A CA210563A CA1015352A CA 1015352 A CA1015352 A CA 1015352A CA 210563 A CA210563 A CA 210563A CA 1015352 A CA1015352 A CA 1015352A
Authority
CA
Canada
Prior art keywords
rock drilling
rock
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
CA210,563A
Other languages
English (en)
Other versions
CA210563S (en
Inventor
Andrew C. Swanepoel
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.)
STEEL ENGINEERING Co Ltd (THE)
Original Assignee
STEEL ENGINEERING Co Ltd (THE)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STEEL ENGINEERING Co Ltd (THE) filed Critical STEEL ENGINEERING Co Ltd (THE)
Application granted granted Critical
Publication of CA1015352A publication Critical patent/CA1015352A/fr
Expired legal-status Critical Current

Links

CA210,563A 1973-10-03 1974-10-02 Perforation du roc Expired CA1015352A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00737743A ZA737743B (en) 1973-10-03 1973-10-03 Rock drilling

Publications (1)

Publication Number Publication Date
CA1015352A true CA1015352A (fr) 1977-08-09

Family

ID=25566903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,563A Expired CA1015352A (fr) 1973-10-03 1974-10-02 Perforation du roc

Country Status (2)

Country Link
CA (1) CA1015352A (fr)
ZA (1) ZA737743B (fr)

Also Published As

Publication number Publication date
ZA737743B (en) 1975-01-29

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