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Resource utilization of high-salt waste liquid and
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Double helix multiphase mixed-transport rotor pump
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Tianjin Green Industry Integrity Certificate
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Rotor core moving bracket
Patent for crude oil separation and purification device
Patent Certificate for a crude oil liquefaction and extraction device
A synchronous belt drive mechanism for a double helix rotor system
A patent for a double-helix rotor pump
A sand and gravel filtration device is used for petroleum extraction
A three-leaf Roots blower capable of providing hot air
Patent for oil-water treatment device
Patent Software Copyright
Rotor core moving bracket
Patent for crude oil separation and purification device
Patent Certificate for a crude oil liquefaction and extraction device
A synchronous belt drive mechanism for a double helix rotor system
A patent for a double-helix rotor pump
A sand and gravel filtration device is used for petroleum extraction
A three-leaf Roots blower capable of providing hot air
Patent for oil-water treatment device
Double-screw rotor pump permanent magnet seal structure
Double helix rotor pump
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