CS191750B1 - Drilling head - Google Patents

Drilling head

Info

Publication number
CS191750B1
CS191750B1 CS676477A CS676477A CS191750B1 CS 191750 B1 CS191750 B1 CS 191750B1 CS 676477 A CS676477 A CS 676477A CS 676477 A CS676477 A CS 676477A CS 191750 B1 CS191750 B1 CS 191750B1
Authority
CS
Czechoslovakia
Prior art keywords
drilling head
drilling
head
Prior art date
Application number
CS676477A
Other languages
Czech (cs)
Inventor
Jiri Kalina
Karel Kovar
Original Assignee
Jiri Kalina
Karel Kovar
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 Jiri Kalina, Karel Kovar filed Critical Jiri Kalina
Priority to CS676477A priority Critical patent/CS191750B1/en
Publication of CS191750B1 publication Critical patent/CS191750B1/en

Links

CS676477A 1977-10-18 1977-10-18 Drilling head CS191750B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS676477A CS191750B1 (en) 1977-10-18 1977-10-18 Drilling head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS676477A CS191750B1 (en) 1977-10-18 1977-10-18 Drilling head

Publications (1)

Publication Number Publication Date
CS191750B1 true CS191750B1 (en) 1979-07-31

Family

ID=5415397

Family Applications (1)

Application Number Title Priority Date Filing Date
CS676477A CS191750B1 (en) 1977-10-18 1977-10-18 Drilling head

Country Status (1)

Country Link
CS (1) CS191750B1 (en)

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