ZA887468B - A method of drilling a substrate - Google Patents

A method of drilling a substrate

Info

Publication number
ZA887468B
ZA887468B ZA887468A ZA887468A ZA887468B ZA 887468 B ZA887468 B ZA 887468B ZA 887468 A ZA887468 A ZA 887468A ZA 887468 A ZA887468 A ZA 887468A ZA 887468 B ZA887468 B ZA 887468B
Authority
ZA
South Africa
Prior art keywords
drilling
substrate
Prior art date
Application number
ZA887468A
Inventor
Aulette Stewart
Stewart Aulette
Original Assignee
De Beers Ind Diamond
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 De Beers Ind Diamond filed Critical De Beers Ind Diamond
Priority to ZA887468A priority Critical patent/ZA887468B/en
Publication of ZA887468B publication Critical patent/ZA887468B/en

Links

ZA887468A 1987-10-08 1988-10-05 A method of drilling a substrate ZA887468B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA887468A ZA887468B (en) 1987-10-08 1988-10-05 A method of drilling a substrate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA877569 1987-10-08
ZA887468A ZA887468B (en) 1987-10-08 1988-10-05 A method of drilling a substrate

Publications (1)

Publication Number Publication Date
ZA887468B true ZA887468B (en) 1989-06-28

Family

ID=27138541

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA887468A ZA887468B (en) 1987-10-08 1988-10-05 A method of drilling a substrate

Country Status (1)

Country Link
ZA (1) ZA887468B (en)

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