RU1799358C
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Method of anhydrous aluminium chloride in anhydrous diethyl ether making
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SU1730075A1
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Raw mix for preparing porous filling material
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SU1763307A1
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Container for samples of ultra-pure solids
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SU1708784A1
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Stock for foam glass preparation
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SU1719967A1
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Degasifier of samples for gas chromatography
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SU1728817A1
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Borehole source of vibrational oscillations
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SU1594471A1
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Unbalanced seismic source
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SU1639734A1
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Heigh-pressure source
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SU1208524A1
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Method of acoustic logging
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SU1101251A1
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Device for extracting hard material with organic solvent
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SU1075114A2
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Press for material testing
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SU1115802A1
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Centrifugal separator
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SU1097959A1
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Well-type pneumatic source of transverse wave
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SU1029035A2
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Material testing press
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SU1045187A1
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Method of azimuth orientation of multi-instrument three-component probe geophones in wells
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SU1024858A1
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Device for measuring geotemperature parameters through water reservoir bottom
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SU1022093A1
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Method of identity check of geophone group
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SU1022092A1
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Method of determining parameters of moving-coil geophones
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SU1004940A1
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Device for logging-type electromagnetic probing
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SU1000978A1
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Acoustic well-logging device
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