BR8307519A - Broca rotativa - Google Patents

Broca rotativa

Info

Publication number: BR8307519A
Authority: BR; Brazil
Prior art keywords: rotary drill; drill; rotary
Prior art date: 1982-09-16

Application number

BR8307519A

Other languages

English (en)

Inventor

John Denzil Barr

Original Assignee

Nl Petroleum Prod

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.)

1982-09-16

Filing date

1983-09-16

Publication date

1984-08-14

1983-09-16 Application filed by Nl Petroleum Prod filed Critical Nl Petroleum Prod

1983-09-16 Priority claimed from PCT/GB1983/000227 external-priority patent/WO1984001186A1/en

1984-08-14 Publication of BR8307519A publication Critical patent/BR8307519A/pt

Links

BR8307519A 1982-09-16 1983-09-16 Broca rotativa BR8307519A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8226466		1982-09-16
PCT/GB1983/000227 WO1984001186A1 (en)	1982-09-16	1983-09-16	Rotary drill bits

Publications (1)

Publication Number	Publication Date
BR8307519A true BR8307519A (pt)	1984-08-14

Family

ID=26283854

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8307519A BR8307519A (pt)	1982-09-16	1983-09-16	Broca rotativa

Country Status (1)

Country	Link
BR (1)	BR8307519A (pt)

1983
- 1983-09-16 BR BR8307519A patent/BR8307519A/pt unknown

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