RO93453B - Drilling bit - Google Patents

Drilling bit

Info

Publication number
RO93453B
RO93453B RO109971A RO10997183A RO93453B RO 93453 B RO93453 B RO 93453B RO 109971 A RO109971 A RO 109971A RO 10997183 A RO10997183 A RO 10997183A RO 93453 B RO93453 B RO 93453B
Authority
RO
Romania
Prior art keywords
drilling bit
drilling
bit
Prior art date
Application number
RO109971A
Other languages
Romanian (ro)
Other versions
RO93453A (en
Inventor
Oscar William Kaalstad
Original Assignee
Engtech Sa
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 Engtech Sa filed Critical Engtech Sa
Priority to RO109971A priority Critical patent/RO93453B/en
Publication of RO93453A publication Critical patent/RO93453A/en
Publication of RO93453B publication Critical patent/RO93453B/en

Links

RO109971A 1983-02-10 1983-02-10 Drilling bit RO93453B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO109971A RO93453B (en) 1983-02-10 1983-02-10 Drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO109971A RO93453B (en) 1983-02-10 1983-02-10 Drilling bit

Publications (2)

Publication Number Publication Date
RO93453A RO93453A (en) 1988-03-30
RO93453B true RO93453B (en) 1988-03-31

Family

ID=20112667

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109971A RO93453B (en) 1983-02-10 1983-02-10 Drilling bit

Country Status (1)

Country Link
RO (1) RO93453B (en)

Also Published As

Publication number Publication date
RO93453A (en) 1988-03-30

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