|
SU1665031A1
|
|
Well completion unit
|
|
SU1696681A1
|
|
Well perforator
|
|
SU1560790A1
|
|
High-pressure pump
|
|
SU1548402A1
|
|
Arrangement for flushing wells
|
|
SU1497046A1
|
|
Device for multicycle testing of impact-action machine
|
|
SU1489916A1
|
|
Tool assembly for die equipment
|
|
SU1617135A1
|
|
Device for stimulating bottom-hole zone
|
|
SU1469099A1
|
|
Hydraulic percussive device for eliminating seizure of drill pipe string in borehole
|
|
SU1513138A1
|
|
Percussive device
|
|
IT8741508D0
|
|
Material-deforming percussion device
|
|
SU1439201A1
|
|
Apparatus for flushing wells
|
|
GB8802991D0
|
|
Device for removing barbs from parts by gas detonation
|
|
SU1352036A1
|
|
Hydraulic impact member for eliminating seizures of drill string
|
|
SU1392291A1
|
|
Ball-screw mechanism
|
|
SU1320382A1
|
|
Well-cleaning device
|
|
PL257563A1
|
|
Worktable for an explosive metal working machine
|
|
PL257527A1
|
|
Apparatus for explosive working of materials
|
|
US4819542A
|
|
Percussive tool
|
|
AU5585786A
|
|
Percussion tool
|
|
IT8541628D0
|
|
Percussion device for mine working
|
