PL339394A3 - Rotary drilling bit - Google Patents

Rotary drilling bit

Info

Publication number
PL339394A3
PL339394A3 PL33939400A PL33939400A PL339394A3 PL 339394 A3 PL339394 A3 PL 339394A3 PL 33939400 A PL33939400 A PL 33939400A PL 33939400 A PL33939400 A PL 33939400A PL 339394 A3 PL339394 A3 PL 339394A3
Authority
PL
Poland
Prior art keywords
rotary drilling
drilling bit
bit
rotary
drilling
Prior art date
Application number
PL33939400A
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 PL33939400A priority Critical patent/PL339394A3/en
Publication of PL339394A3 publication Critical patent/PL339394A3/en

Links

PL33939400A 2000-03-31 2000-03-31 Rotary drilling bit PL339394A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL33939400A PL339394A3 (en) 2000-03-31 2000-03-31 Rotary drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL33939400A PL339394A3 (en) 2000-03-31 2000-03-31 Rotary drilling bit

Publications (1)

Publication Number Publication Date
PL339394A3 true PL339394A3 (en) 2001-10-08

Family

ID=20076369

Family Applications (1)

Application Number Title Priority Date Filing Date
PL33939400A PL339394A3 (en) 2000-03-31 2000-03-31 Rotary drilling bit

Country Status (1)

Country Link
PL (1) PL339394A3 (en)

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Legal Events

Date Code Title Description
VOID Decisions declaring the decisions on the grant of the patents lapsed