RO95111B1 - Sapa de forare - Google Patents

Sapa de forare

Info

Publication number
RO95111B1
RO95111B1 RO122724A RO12272486A RO95111B1 RO 95111 B1 RO95111 B1 RO 95111B1 RO 122724 A RO122724 A RO 122724A RO 12272486 A RO12272486 A RO 12272486A RO 95111 B1 RO95111 B1 RO 95111B1
Authority
RO
Romania
Prior art keywords
inner surfaces
army
cone
equal diameters
lengths
Prior art date
Application number
RO122724A
Other languages
English (en)
Romanian (ro)
Other versions
RO95111A2 (fr
Inventor
Atanase Niculescu
Alexandru Radulescu
Gabriel Grigorescu
Petre Viron
Gheorghe Dinu
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 RO122724A priority Critical patent/RO95111B1/ro
Publication of RO95111A2 publication Critical patent/RO95111A2/fr
Publication of RO95111B1 publication Critical patent/RO95111B1/ro

Links

Landscapes

  • Earth Drilling (AREA)
RO122724A 1986-03-25 1986-03-25 Sapa de forare RO95111B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO122724A RO95111B1 (ro) 1986-03-25 1986-03-25 Sapa de forare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO122724A RO95111B1 (ro) 1986-03-25 1986-03-25 Sapa de forare

Publications (2)

Publication Number Publication Date
RO95111A2 RO95111A2 (fr) 1988-08-15
RO95111B1 true RO95111B1 (ro) 1988-08-16

Family

ID=20119195

Family Applications (1)

Application Number Title Priority Date Filing Date
RO122724A RO95111B1 (ro) 1986-03-25 1986-03-25 Sapa de forare

Country Status (1)

Country Link
RO (1) RO95111B1 (fr)

Also Published As

Publication number Publication date
RO95111A2 (fr) 1988-08-15

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