RO91163B1 - Sapa de foraj - Google Patents

Sapa de foraj

Info

Publication number
RO91163B1
RO91163B1 RO118304A RO11830485A RO91163B1 RO 91163 B1 RO91163 B1 RO 91163B1 RO 118304 A RO118304 A RO 118304A RO 11830485 A RO11830485 A RO 11830485A RO 91163 B1 RO91163 B1 RO 91163B1
Authority
RO
Romania
Prior art keywords
button
plug
roll
roller
jaw
Prior art date
Application number
RO118304A
Other languages
English (en)
Romanian (ro)
Other versions
RO91163A2 (fr
Inventor
Gabriel Grigorescu
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 RO118304A priority Critical patent/RO91163B1/ro
Publication of RO91163A2 publication Critical patent/RO91163A2/fr
Publication of RO91163B1 publication Critical patent/RO91163B1/ro

Links

Landscapes

  • Earth Drilling (AREA)
RO118304A 1985-04-18 1985-04-18 Sapa de foraj RO91163B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO118304A RO91163B1 (ro) 1985-04-18 1985-04-18 Sapa de foraj

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO118304A RO91163B1 (ro) 1985-04-18 1985-04-18 Sapa de foraj

Publications (2)

Publication Number Publication Date
RO91163A2 RO91163A2 (fr) 1987-03-30
RO91163B1 true RO91163B1 (ro) 1987-03-31

Family

ID=20116941

Family Applications (1)

Application Number Title Priority Date Filing Date
RO118304A RO91163B1 (ro) 1985-04-18 1985-04-18 Sapa de foraj

Country Status (1)

Country Link
RO (1) RO91163B1 (fr)

Also Published As

Publication number Publication date
RO91163A2 (fr) 1987-03-30

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