CS194640B1 - Drilling bar with the joint - Google Patents

Drilling bar with the joint

Info

Publication number
CS194640B1
CS194640B1 CS318978A CS318978A CS194640B1 CS 194640 B1 CS194640 B1 CS 194640B1 CS 318978 A CS318978 A CS 318978A CS 318978 A CS318978 A CS 318978A CS 194640 B1 CS194640 B1 CS 194640B1
Authority
CS
Czechoslovakia
Prior art keywords
joint
drilling bar
drilling
bar
Prior art date
Application number
CS318978A
Other languages
Czech (cs)
Inventor
Lubomir Lanca
Jiri Dvorak
Jaroslav Pastrnak
Original Assignee
Lubomir Lanca
Jiri Dvorak
Jaroslav Pastrnak
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 Lubomir Lanca, Jiri Dvorak, Jaroslav Pastrnak filed Critical Lubomir Lanca
Priority to CS318978A priority Critical patent/CS194640B1/en
Publication of CS194640B1 publication Critical patent/CS194640B1/en

Links

CS318978A 1978-05-17 1978-05-17 Drilling bar with the joint CS194640B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS318978A CS194640B1 (en) 1978-05-17 1978-05-17 Drilling bar with the joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS318978A CS194640B1 (en) 1978-05-17 1978-05-17 Drilling bar with the joint

Publications (1)

Publication Number Publication Date
CS194640B1 true CS194640B1 (en) 1979-12-31

Family

ID=5371267

Family Applications (1)

Application Number Title Priority Date Filing Date
CS318978A CS194640B1 (en) 1978-05-17 1978-05-17 Drilling bar with the joint

Country Status (1)

Country Link
CS (1) CS194640B1 (en)

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