ZA879461B - Boring bits - Google Patents

Boring bits

Info

Publication number
ZA879461B
ZA879461B ZA879461A ZA879461A ZA879461B ZA 879461 B ZA879461 B ZA 879461B ZA 879461 A ZA879461 A ZA 879461A ZA 879461 A ZA879461 A ZA 879461A ZA 879461 B ZA879461 B ZA 879461B
Authority
ZA
South Africa
Prior art keywords
boring bits
boring
bits
Prior art date
Application number
ZA879461A
Inventor
Frederick George Holden
George Holden Frederick
Original Assignee
Boart Int Ltd
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 Boart Int Ltd filed Critical Boart Int Ltd
Priority to ZA879461A priority Critical patent/ZA879461B/en
Publication of ZA879461B publication Critical patent/ZA879461B/en

Links

ZA879461A 1986-12-29 1987-12-17 Boring bits ZA879461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA879461A ZA879461B (en) 1986-12-29 1987-12-17 Boring bits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA869726 1986-12-29
ZA879461A ZA879461B (en) 1986-12-29 1987-12-17 Boring bits

Publications (1)

Publication Number Publication Date
ZA879461B true ZA879461B (en) 1988-08-31

Family

ID=27137772

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA879461A ZA879461B (en) 1986-12-29 1987-12-17 Boring bits

Country Status (1)

Country Link
ZA (1) ZA879461B (en)

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