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Method for preventing and removing hydrate deposits from natural gas
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Method of determining depth of horizontal section in underground reservoir in sound-location survey
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Method of forming underground receptacle in rock salt deposits
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Device for shutting-off tube spaces of wells
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Method of heating air
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Heat generator
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Device for filling containers with gas
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Recuperative burner device
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Damping device for suspended service string for underground reservoir
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Method of producing gas hydrates
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Apparatus for determining physical characteristics of frozen rocks
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Steam/gas generator
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Burner
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Apparatus for measuring the level of interface of two liquids with different densities or liquid-gas interface in underground reservoir
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