SU400688A1 - - Google Patents

Info

Publication number
SU400688A1
SU400688A1 SU1666258A SU1666258A SU400688A1 SU 400688 A1 SU400688 A1 SU 400688A1 SU 1666258 A SU1666258 A SU 1666258A SU 1666258 A SU1666258 A SU 1666258A SU 400688 A1 SU400688 A1 SU 400688A1
Authority
SU
USSR - Soviet Union
Prior art keywords
valve
bit
turbo
drill
spool
Prior art date
Application number
SU1666258A
Other languages
English (en)
Russian (ru)
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 filed Critical
Priority to SU1666258A priority Critical patent/SU400688A1/ru
Application granted granted Critical
Publication of SU400688A1 publication Critical patent/SU400688A1/ru

Links

Landscapes

  • Earth Drilling (AREA)
SU1666258A 1971-06-03 1971-06-03 SU400688A1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1666258A SU400688A1 (enExample) 1971-06-03 1971-06-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1666258A SU400688A1 (enExample) 1971-06-03 1971-06-03

Publications (1)

Publication Number Publication Date
SU400688A1 true SU400688A1 (enExample) 1973-10-01

Family

ID=20478151

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1666258A SU400688A1 (enExample) 1971-06-03 1971-06-03

Country Status (1)

Country Link
SU (1) SU400688A1 (enExample)

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