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BR8204120A - IMPROVEMENT IN DRILLING DEVICE - Google Patents

IMPROVEMENT IN DRILLING DEVICE

Info

Publication number
BR8204120A
BR8204120A BR8204120A BR8204120A BR8204120A BR 8204120 A BR8204120 A BR 8204120A BR 8204120 A BR8204120 A BR 8204120A BR 8204120 A BR8204120 A BR 8204120A BR 8204120 A BR8204120 A BR 8204120A
Authority
BR
Brazil
Prior art keywords
improvement
drilling device
drilling
Prior art date
Application number
BR8204120A
Other languages
Portuguese (pt)
Inventor
Heinz Juergen Schafstein
Original Assignee
Heinz Juergen Schafstein
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 Heinz Juergen Schafstein filed Critical Heinz Juergen Schafstein
Priority to BR8204120A priority Critical patent/BR8204120A/en
Publication of BR8204120A publication Critical patent/BR8204120A/en

Links

BR8204120A 1982-07-15 1982-07-15 IMPROVEMENT IN DRILLING DEVICE BR8204120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8204120A BR8204120A (en) 1982-07-15 1982-07-15 IMPROVEMENT IN DRILLING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8204120A BR8204120A (en) 1982-07-15 1982-07-15 IMPROVEMENT IN DRILLING DEVICE

Publications (1)

Publication Number Publication Date
BR8204120A true BR8204120A (en) 1982-11-30

Family

ID=4031342

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8204120A BR8204120A (en) 1982-07-15 1982-07-15 IMPROVEMENT IN DRILLING DEVICE

Country Status (1)

Country Link
BR (1) BR8204120A (en)

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