CS988582A1 - Extrakcni prstencova vrtaci korunka - Google Patents

Extrakcni prstencova vrtaci korunka

Info

Publication number
CS988582A1
CS988582A1 CS829885A CS988582A CS988582A1 CS 988582 A1 CS988582 A1 CS 988582A1 CS 829885 A CS829885 A CS 829885A CS 988582 A CS988582 A CS 988582A CS 988582 A1 CS988582 A1 CS 988582A1
Authority
CS
Czechoslovakia
Prior art keywords
vrtaci
prstencova
korunka
extrakcni
vrtaci korunka
Prior art date
Application number
CS829885A
Other languages
Czech (cs)
Other versions
CS251221B1 (en
Inventor
Nikolaj D Dipl Ing Nenkov
Original Assignee
Nikolaj D Dipl Ing Nenkov
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 Nikolaj D Dipl Ing Nenkov filed Critical Nikolaj D Dipl Ing Nenkov
Priority to CS829885A priority Critical patent/CS251221B1/en
Publication of CS988582A1 publication Critical patent/CS988582A1/en
Publication of CS251221B1 publication Critical patent/CS251221B1/en

Links

CS829885A 1982-12-28 1982-12-28 Extraction annular drill bit CS251221B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS829885A CS251221B1 (en) 1982-12-28 1982-12-28 Extraction annular drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS829885A CS251221B1 (en) 1982-12-28 1982-12-28 Extraction annular drill bit

Publications (2)

Publication Number Publication Date
CS988582A1 true CS988582A1 (en) 1985-12-16
CS251221B1 CS251221B1 (en) 1987-06-11

Family

ID=5446989

Family Applications (1)

Application Number Title Priority Date Filing Date
CS829885A CS251221B1 (en) 1982-12-28 1982-12-28 Extraction annular drill bit

Country Status (1)

Country Link
CS (1) CS251221B1 (en)

Also Published As

Publication number Publication date
CS251221B1 (en) 1987-06-11

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