RO91164B1 - Sapa de foraj - Google Patents

Sapa de foraj

Info

Publication number
RO91164B1
RO91164B1 RO118305A RO11830585A RO91164B1 RO 91164 B1 RO91164 B1 RO 91164B1 RO 118305 A RO118305 A RO 118305A RO 11830585 A RO11830585 A RO 11830585A RO 91164 B1 RO91164 B1 RO 91164B1
Authority
RO
Romania
Prior art keywords
drill bit
jaws
dislodging
sap
reinforced
Prior art date
Application number
RO118305A
Other languages
English (en)
Romanian (ro)
Other versions
RO91164A2 (fr
Inventor
Gabriel Grigorescu
Dumitru Ene
Original Assignee
îNTREPRINDEREA "1 MAI"
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 îNTREPRINDEREA "1 MAI" filed Critical îNTREPRINDEREA "1 MAI"
Priority to RO118305A priority Critical patent/RO91164B1/ro
Publication of RO91164A2 publication Critical patent/RO91164A2/fr
Publication of RO91164B1 publication Critical patent/RO91164B1/ro

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
RO118305A 1985-04-08 1985-04-08 Sapa de foraj RO91164B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO118305A RO91164B1 (ro) 1985-04-08 1985-04-08 Sapa de foraj

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO118305A RO91164B1 (ro) 1985-04-08 1985-04-08 Sapa de foraj

Publications (2)

Publication Number Publication Date
RO91164A2 RO91164A2 (fr) 1987-03-30
RO91164B1 true RO91164B1 (ro) 1987-04-01

Family

ID=20116942

Family Applications (1)

Application Number Title Priority Date Filing Date
RO118305A RO91164B1 (ro) 1985-04-08 1985-04-08 Sapa de foraj

Country Status (1)

Country Link
RO (1) RO91164B1 (fr)

Also Published As

Publication number Publication date
RO91164A2 (fr) 1987-03-30

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