CS239787A1 - Joint,esp. for drilling heads for boring of small diameter holes - Google Patents

Joint,esp. for drilling heads for boring of small diameter holes

Info

Publication number
CS239787A1
CS239787A1 CS872397A CS239787A CS239787A1 CS 239787 A1 CS239787 A1 CS 239787A1 CS 872397 A CS872397 A CS 872397A CS 239787 A CS239787 A CS 239787A CS 239787 A1 CS239787 A1 CS 239787A1
Authority
CS
Czechoslovakia
Prior art keywords
esp
boring
joint
small diameter
diameter holes
Prior art date
Application number
CS872397A
Other languages
Czech (cs)
Other versions
CS262457B1 (en
Inventor
Antonin Heger
Original Assignee
Antonin Heger
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 Antonin Heger filed Critical Antonin Heger
Priority to CS872397A priority Critical patent/CS262457B1/en
Publication of CS239787A1 publication Critical patent/CS239787A1/en
Publication of CS262457B1 publication Critical patent/CS262457B1/en

Links

CS872397A 1987-04-03 1987-04-03 Clutch, in particular drilling heads for drilling small diameters CS262457B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS872397A CS262457B1 (en) 1987-04-03 1987-04-03 Clutch, in particular drilling heads for drilling small diameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS872397A CS262457B1 (en) 1987-04-03 1987-04-03 Clutch, in particular drilling heads for drilling small diameters

Publications (2)

Publication Number Publication Date
CS239787A1 true CS239787A1 (en) 1988-08-16
CS262457B1 CS262457B1 (en) 1989-03-14

Family

ID=5361003

Family Applications (1)

Application Number Title Priority Date Filing Date
CS872397A CS262457B1 (en) 1987-04-03 1987-04-03 Clutch, in particular drilling heads for drilling small diameters

Country Status (1)

Country Link
CS (1) CS262457B1 (en)

Also Published As

Publication number Publication date
CS262457B1 (en) 1989-03-14

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