RO86863B1 - BURGHIU DE GAURIRE ADîNCA - Google Patents

BURGHIU DE GAURIRE ADîNCA

Info

Publication number
RO86863B1
RO86863B1 RO111533A RO11153383A RO86863B1 RO 86863 B1 RO86863 B1 RO 86863B1 RO 111533 A RO111533 A RO 111533A RO 11153383 A RO11153383 A RO 11153383A RO 86863 B1 RO86863 B1 RO 86863B1
Authority
RO
Romania
Prior art keywords
drilling bit
deep drilling
increase
deep
drill
Prior art date
Application number
RO111533A
Other languages
English (en)
Romanian (ro)
Other versions
RO86863A2 (fr
Inventor
Florea Cioc
Ion Iovanescu
Nicolae Vrabiescu
Original Assignee
Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte
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 Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte filed Critical Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte
Priority to RO111533A priority Critical patent/RO86863B1/ro
Publication of RO86863A2 publication Critical patent/RO86863A2/fr
Publication of RO86863B1 publication Critical patent/RO86863B1/ro

Links

Landscapes

  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
RO111533A 1983-07-05 1983-07-05 BURGHIU DE GAURIRE ADîNCA RO86863B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO111533A RO86863B1 (ro) 1983-07-05 1983-07-05 BURGHIU DE GAURIRE ADîNCA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO111533A RO86863B1 (ro) 1983-07-05 1983-07-05 BURGHIU DE GAURIRE ADîNCA

Publications (2)

Publication Number Publication Date
RO86863A2 RO86863A2 (fr) 1985-08-31
RO86863B1 true RO86863B1 (ro) 1985-09-01

Family

ID=20113356

Family Applications (1)

Application Number Title Priority Date Filing Date
RO111533A RO86863B1 (ro) 1983-07-05 1983-07-05 BURGHIU DE GAURIRE ADîNCA

Country Status (1)

Country Link
RO (1) RO86863B1 (fr)

Also Published As

Publication number Publication date
RO86863A2 (fr) 1985-08-31

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