PL314391A1 - Rotary drilling bit - Google Patents

Rotary drilling bit

Info

Publication number
PL314391A1
PL314391A1 PL31439196A PL31439196A PL314391A1 PL 314391 A1 PL314391 A1 PL 314391A1 PL 31439196 A PL31439196 A PL 31439196A PL 31439196 A PL31439196 A PL 31439196A PL 314391 A1 PL314391 A1 PL 314391A1
Authority
PL
Poland
Prior art keywords
rotary drilling
drilling bit
bit
rotary
drilling
Prior art date
Application number
PL31439196A
Other versions
PL178875B1 (en
Inventor
Artur Beben
Michal Maziarz
Ryszard Tylek
Original Assignee
Akad Gorniczo Hutnicza
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 Akad Gorniczo Hutnicza filed Critical Akad Gorniczo Hutnicza
Priority to PL96314391A priority Critical patent/PL178875B1/en
Publication of PL314391A1 publication Critical patent/PL314391A1/en
Publication of PL178875B1 publication Critical patent/PL178875B1/en

Links

PL96314391A 1996-05-21 1996-05-21 Rotary drilling bit PL178875B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL96314391A PL178875B1 (en) 1996-05-21 1996-05-21 Rotary drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL96314391A PL178875B1 (en) 1996-05-21 1996-05-21 Rotary drilling bit

Publications (2)

Publication Number Publication Date
PL314391A1 true PL314391A1 (en) 1997-11-24
PL178875B1 PL178875B1 (en) 2000-06-30

Family

ID=20067593

Family Applications (1)

Application Number Title Priority Date Filing Date
PL96314391A PL178875B1 (en) 1996-05-21 1996-05-21 Rotary drilling bit

Country Status (1)

Country Link
PL (1) PL178875B1 (en)

Also Published As

Publication number Publication date
PL178875B1 (en) 2000-06-30

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20110521