CS375189A3 - Apparatus for drilling boreholes in rocks - Google Patents

Apparatus for drilling boreholes in rocks

Info

Publication number
CS375189A3
CS375189A3 CS893751A CS375189A CS375189A3 CS 375189 A3 CS375189 A3 CS 375189A3 CS 893751 A CS893751 A CS 893751A CS 375189 A CS375189 A CS 375189A CS 375189 A3 CS375189 A3 CS 375189A3
Authority
CS
Czechoslovakia
Prior art keywords
rocks
drilling boreholes
boreholes
drilling
Prior art date
Application number
CS893751A
Other languages
Czech (cs)
Other versions
CS276425B6 (en
Inventor
Vladimir Mares
Petr Ing Matejicek
Original Assignee
Vladimir Mares
Petr Ing Matejicek
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 Vladimir Mares, Petr Ing Matejicek filed Critical Vladimir Mares
Priority to CS893751A priority Critical patent/CS276425B6/en
Publication of CS375189A3 publication Critical patent/CS375189A3/en
Publication of CS276425B6 publication Critical patent/CS276425B6/en

Links

CS893751A 1989-06-21 1989-06-21 Apparatus for drilling boreholes in rocks CS276425B6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS893751A CS276425B6 (en) 1989-06-21 1989-06-21 Apparatus for drilling boreholes in rocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS893751A CS276425B6 (en) 1989-06-21 1989-06-21 Apparatus for drilling boreholes in rocks

Publications (2)

Publication Number Publication Date
CS375189A3 true CS375189A3 (en) 1992-01-15
CS276425B6 CS276425B6 (en) 1992-05-13

Family

ID=5378516

Family Applications (1)

Application Number Title Priority Date Filing Date
CS893751A CS276425B6 (en) 1989-06-21 1989-06-21 Apparatus for drilling boreholes in rocks

Country Status (1)

Country Link
CS (1) CS276425B6 (en)

Also Published As

Publication number Publication date
CS276425B6 (en) 1992-05-13

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