CS112986A1 - Drilling tool - Google Patents

Drilling tool

Info

Publication number
CS112986A1
CS112986A1 CS861129A CS112986A CS112986A1 CS 112986 A1 CS112986 A1 CS 112986A1 CS 861129 A CS861129 A CS 861129A CS 112986 A CS112986 A CS 112986A CS 112986 A1 CS112986 A1 CS 112986A1
Authority
CS
Czechoslovakia
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
CS861129A
Other languages
Czech (cs)
Other versions
CS267688B1 (en
Inventor
Pando Iliev Ing Mladenov
Zdravko Mladenov Ing Ivanov
Original Assignee
Pando Iliev Ing Mladenov
Zdravko Mladenov Ing Ivanov
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 Pando Iliev Ing Mladenov, Zdravko Mladenov Ing Ivanov filed Critical Pando Iliev Ing Mladenov
Publication of CS112986A1 publication Critical patent/CS112986A1/en
Publication of CS267688B1 publication Critical patent/CS267688B1/en

Links

CS861129A 1985-02-18 1986-02-18 Drilling tool CS267688B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG6886285A BG41763A1 (en) 1985-02-18 1985-02-18 Rock destructing core drill

Publications (2)

Publication Number Publication Date
CS112986A1 true CS112986A1 (en) 1989-01-12
CS267688B1 CS267688B1 (en) 1990-02-12

Family

ID=3915130

Family Applications (1)

Application Number Title Priority Date Filing Date
CS861129A CS267688B1 (en) 1985-02-18 1986-02-18 Drilling tool

Country Status (3)

Country Link
BG (1) BG41763A1 (en)
CS (1) CS267688B1 (en)
DD (1) DD273168A3 (en)

Also Published As

Publication number Publication date
BG41763A1 (en) 1987-08-14
CS267688B1 (en) 1990-02-12
DD273168A3 (en) 1989-11-08

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