|
SU1051473A1
|
|
Proton magnetometer
|
|
SU1035545A1
|
|
Source of excitation of seismic signals in water
|
|
SU1026078A1
|
|
Digital phase meter
|
|
SU1137201A1
|
|
Apparatus for determining strenth properties of soil in tri-axial compression
|
|
SU916749A2
|
|
Hole-bottom sampler
|
|
SU976329A1
|
|
Bottom sediment sampler
|
|
SU913139A1
|
|
Device for tri-axial testing of soil
|
|
SU1000972A1
|
|
Digital multi-channel seismic station
|
|
SU851163A1
|
|
Hydrostatic soil tube
|
|
SU887982A1
|
|
Soil sampler
|
|
SU842671A1
|
|
Seismic signal source in water
|
|
SU941876A1
|
|
Hydrostatic sampler of bottom ground
|
|
SU941877A1
|
|
Hydrostatic sampler of bottom ground
|
|
SU830262A2
|
|
Source of seismic signals in water
|
|
SU811169A1
|
|
Apparatus for exciting elastic oscillations in water
|
|
SU796402A2
|
|
Bottom sampler
|
|
SU796403A2
|
|
Bottom sampler
|
|
SU781730A1
|
|
Digital seismic station
|
|
SU697634A1
|
|
Bottom-type pressure meter
|
|
SU715703A1
|
|
Down-hole penetration meter
|
