PL274241A1 - Coring drill bit - Google Patents

Coring drill bit

Info

Publication number
PL274241A1
PL274241A1 PL27424188A PL27424188A PL274241A1 PL 274241 A1 PL274241 A1 PL 274241A1 PL 27424188 A PL27424188 A PL 27424188A PL 27424188 A PL27424188 A PL 27424188A PL 274241 A1 PL274241 A1 PL 274241A1
Authority
PL
Poland
Prior art keywords
drill bit
coring drill
coring
bit
drill
Prior art date
Application number
PL27424188A
Inventor
Ryszard Jurkiewicz
Eugeniusz Jung
Adam Mata
Zbigniew Szoll
Tadeusz Jarosz
Marian Karas
Jerzy Kucharski
Original Assignee
Pracownie Konserwacji Zabytkow
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 Pracownie Konserwacji Zabytkow filed Critical Pracownie Konserwacji Zabytkow
Priority to PL27424188A priority Critical patent/PL274241A1/en
Publication of PL274241A1 publication Critical patent/PL274241A1/en

Links

PL27424188A 1988-08-15 1988-08-15 Coring drill bit PL274241A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL27424188A PL274241A1 (en) 1988-08-15 1988-08-15 Coring drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL27424188A PL274241A1 (en) 1988-08-15 1988-08-15 Coring drill bit

Publications (1)

Publication Number Publication Date
PL274241A1 true PL274241A1 (en) 1990-02-19

Family

ID=20043679

Family Applications (1)

Application Number Title Priority Date Filing Date
PL27424188A PL274241A1 (en) 1988-08-15 1988-08-15 Coring drill bit

Country Status (1)

Country Link
PL (1) PL274241A1 (en)

Similar Documents

Publication Publication Date Title
GB8926837D0 (en) Drill bit
GB2188354B (en) Rotary drill bit
EP0239178A3 (en) Rotary drill bit
EP0239328A3 (en) Drill bits
EP0347602A3 (en) Rock drill bit rock drill bit
CS157289A3 (en) Drilling rig
GB8711255D0 (en) Rotary drill bits
GB8704146D0 (en) Drilling bit
ZA904380B (en) Rock drilling bit
EP0339412A3 (en) Rock drill
GB8827879D0 (en) Drill bit
GB2203470B (en) Drill bits
GB2185506B (en) Rotary drill bit
EP0325272A3 (en) Drill bit with improved steerability
GB8726868D0 (en) Drill bit
ZA90326B (en) Drill bit
GB8812873D0 (en) Drilling/coring tools
PL274241A1 (en) Coring drill bit
ZA87174B (en) Drill bit
SU1592465A1 (en) Drill bit
IE870073L (en) Percussive drill and bit
IE881853L (en) Drill bit
GB2197897B (en) Drill bit
GB8718489D0 (en) Drill bit
PL266604A1 (en) Drilling bit