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RU1789885C
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Dynamical force meter
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RU1789653C
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Method of freeing stuck pipes on area with several drilled wells
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SU1714637A1
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Entity state monitor
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SU1739000A1
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Method for releasing stuck pipes
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SU1738917A1
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Pile
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SU1689515A1
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Device for driving and extracting piles
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Contact device for testing of printed circuit boards
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SU1589116A1
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Device for dynamic tests of shells by means of pressure
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SU1562564A2
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Wave friction v-belt gearing
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SU1587275A2
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Friction wedge-type wave gearing
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SU1629496A1
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Hole filter means
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SU1460484A2
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Cam mechanism
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SU1460476A1
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Wave friction wedge-type transmission
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SU1446362A1
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Regulated hydraulic drive
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SU1643323A1
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Device for reducing force required for withdrawal of sunken object from water-saturated sedimentary soil
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SU1520375A1
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Braking device for testing bed
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SU1377629A1
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Piezoelectric transducer
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SU1324030A1
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Test signal generating device
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SU1372033A1
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Separating cementing plug
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SU1328634A1
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Device for cutting-off pipeline
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