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2020
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Invention
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Petroleum deposition liquid suction device with high degree of freedom. Disclosed is a petroleum ... |
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2019
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Invention
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Digging device for oil exploration. A digging device for oil exploration, comprising a frame asse... |
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|
Invention
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Circulating constant-flow constant-pressure metering pump device. A circulating constant-flow con... |
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2018
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Invention
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Three-dimensional physical simulation experiment device for microbial enhanced oil recovery. Disc... |
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Invention
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Fracturing fluid friction tester. A fracturing fluid friction tester, comprising an injection sys... |
