PL297273A1 - Drilling bit - Google Patents

Drilling bit

Info

Publication number
PL297273A1
PL297273A1 PL29727392A PL29727392A PL297273A1 PL 297273 A1 PL297273 A1 PL 297273A1 PL 29727392 A PL29727392 A PL 29727392A PL 29727392 A PL29727392 A PL 29727392A PL 297273 A1 PL297273 A1 PL 297273A1
Authority
PL
Poland
Prior art keywords
drilling bit
drilling
bit
Prior art date
Application number
PL29727392A
Other versions
PL169336B1 (en
Inventor
Antoni Zieba
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 PL29727392A priority Critical patent/PL169336B1/en
Publication of PL297273A1 publication Critical patent/PL297273A1/en
Publication of PL169336B1 publication Critical patent/PL169336B1/en

Links

PL29727392A 1992-12-30 1992-12-30 Drilling bit PL169336B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29727392A PL169336B1 (en) 1992-12-30 1992-12-30 Drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29727392A PL169336B1 (en) 1992-12-30 1992-12-30 Drilling bit

Publications (2)

Publication Number Publication Date
PL297273A1 true PL297273A1 (en) 1993-06-28
PL169336B1 PL169336B1 (en) 1996-07-31

Family

ID=20059282

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29727392A PL169336B1 (en) 1992-12-30 1992-12-30 Drilling bit

Country Status (1)

Country Link
PL (1) PL169336B1 (en)

Also Published As

Publication number Publication date
PL169336B1 (en) 1996-07-31

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