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SU1765583A1
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Gate
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SU1742698A1
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Device for checking wet steam conductions
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SU1747676A1
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Packer
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SU1754920A1
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Clamp for locking end of pipe rod
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RU1772554C
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Device for drying pipes with internal covering
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RU1797591C
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|
System of conveyors for transportation of long-cut cylindrical articles
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SU1740768A1
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Wind-power plant
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SU1724730A1
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Plant for applying slip on inner surfaces of pipes
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RU1781415C
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Grouting material for high-temperature conditions
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SU1752938A1
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Method of oil-field development
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SU1760097A1
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Method of killing wells
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SU1679111A1
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Safety valve for reservoirs with oil and oil products
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SU1699494A1
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Method of crude oil treatment
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SU1714094A1
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Wire-wrapped screen
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SU1678412A1
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Apparatus for preparation of mineral oil
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SU1714093A1
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Gravel filter inwashing unit
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SU1645457A1
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Lubricator head
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RU1768220C
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Device for collecting and treating oil
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SU1748857A1
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Device for liquid sampling
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SU1656174A1
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Well pump plant
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