ZA89654B - Locking device and method for drilling - Google Patents

Locking device and method for drilling

Info

Publication number
ZA89654B
ZA89654B ZA89654A ZA89654A ZA89654B ZA 89654 B ZA89654 B ZA 89654B ZA 89654 A ZA89654 A ZA 89654A ZA 89654 A ZA89654 A ZA 89654A ZA 89654 B ZA89654 B ZA 89654B
Authority
ZA
South Africa
Prior art keywords
drilling
locking device
locking
Prior art date
Application number
ZA89654A
Inventor
Desmond Edward Beswick
Edward Beswick Desmond
Original Assignee
Core Recovery Systems Cc
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 Core Recovery Systems Cc filed Critical Core Recovery Systems Cc
Priority to ZA89654A priority Critical patent/ZA89654B/en
Publication of ZA89654B publication Critical patent/ZA89654B/en

Links

ZA89654A 1987-11-13 1989-01-27 Locking device and method for drilling ZA89654B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA89654A ZA89654B (en) 1987-11-13 1989-01-27 Locking device and method for drilling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA878518 1987-11-13
ZA89654A ZA89654B (en) 1987-11-13 1989-01-27 Locking device and method for drilling

Publications (1)

Publication Number Publication Date
ZA89654B true ZA89654B (en) 1989-10-25

Family

ID=27138654

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA89654A ZA89654B (en) 1987-11-13 1989-01-27 Locking device and method for drilling

Country Status (1)

Country Link
ZA (1) ZA89654B (en)

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