CS461789A2 - Rotating percussion drilling tool - Google Patents

Rotating percussion drilling tool

Info

Publication number
CS461789A2
CS461789A2 CS894617A CS461789A CS461789A2 CS 461789 A2 CS461789 A2 CS 461789A2 CS 894617 A CS894617 A CS 894617A CS 461789 A CS461789 A CS 461789A CS 461789 A2 CS461789 A2 CS 461789A2
Authority
CS
Czechoslovakia
Prior art keywords
drilling tool
percussion drilling
rotating percussion
rotating
tool
Prior art date
Application number
CS894617A
Other languages
Czech (cs)
Inventor
Alexej Vladimirovic Su Filatov
Georgij Michajlovic Su Krjukov
Melis Ivanovic Su Onotskij
Jurij Vasiljevic Su Glazkov
Viktor Vjaceslavovic Carapkin
Vadim Petrovic Su Jakimov
Nikolaj Alexejevic Su Zubarev
Anatolij Michajlovic S Cuvilin
Sergej Viktorovic Su Dajbov
Original Assignee
Vni
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 Vni filed Critical Vni
Priority to CS894617A priority Critical patent/CS461789A2/en
Publication of CS461789A2 publication Critical patent/CS461789A2/en

Links

CS894617A 1989-08-02 1989-08-02 Rotating percussion drilling tool CS461789A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS894617A CS461789A2 (en) 1989-08-02 1989-08-02 Rotating percussion drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS894617A CS461789A2 (en) 1989-08-02 1989-08-02 Rotating percussion drilling tool

Publications (1)

Publication Number Publication Date
CS461789A2 true CS461789A2 (en) 1991-05-14

Family

ID=5389366

Family Applications (1)

Application Number Title Priority Date Filing Date
CS894617A CS461789A2 (en) 1989-08-02 1989-08-02 Rotating percussion drilling tool

Country Status (1)

Country Link
CS (1) CS461789A2 (en)

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