|
RU1784933C
|
|
Vibrating seismic prospecting method
|
|
RU1786459C
|
|
Method for measurement of dynamic electromagnetic field and device for its realization
|
|
RU1784930C
|
|
Ionizing radiation indicator
|
|
SU1728821A1
|
|
Electrodynamic conversion unit of geophone
|
|
SU1748105A1
|
|
Geophone electrodynamic changer
|
|
SU1695246A1
|
|
Spring of geophone
|
|
SU1720037A1
|
|
Acceleration electrodynamic geophone converter unit
|
|
SU1755232A1
|
|
Method of geoelectrical prospecting and device thereof
|
|
RU1774301C
|
|
Vibroseismic survey method
|
|
SU1755229A1
|
|
Method of calibrating seismic channels with recording onto intermediate carrier
|
|
SU1730603A1
|
|
Electrical-prospecting station
|
|
SU1651255A1
|
|
Method of oscillatory calibration of electrodynamic geophones
|
|
SU1702334A1
|
|
Clamping device for borehole seismic instrument
|
|
SU1659943A2
|
|
Method for measuring resistance of borehole area of permeable formations
|
|
SU1679429A1
|
|
Method of vibration seismic prospecting
|
|
SU1608605A1
|
|
Seismic vibration pick-up
|
|
SU1631483A1
|
|
Electric prospecting station
|
|
RU1784932C
|
|
Vibroseismical prospecting method
|
|
SU1735788A1
|
|
Electrodynamic transducer of the geophone
|
|
SU1550456A1
|
|
Method of geoelectric prospecting
|
