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CN108543499A
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Petrochemical industry diffuser
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CN108525476A
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The good petrochemical industry catch tray of liquid collecting effect
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CN108837768A
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mixing chamber
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CN108654550A
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Petrochemical industry screen tray
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CN107740884A
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A kind of built-in power generation device water nozzle
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CN107701797A
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A kind of sealed stop valve
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CN107762454A
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One kind is used for sand-preventing process sand screen
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CN107441752A
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A kind of ball float with the new way of contact
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CN107575170A
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A kind of oil recovery steam injecting pipe self-checking device
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CN107362754A
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Inlet diffuser
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CN107388014A
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Grating type catalyst support disc
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CN107349877A
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Cold hydrogen spraying system
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CN107324035A
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Flow distribution disk
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CN105944629A
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Hydrogen cold box
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CN105903412A
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Gas-liquid separator for petroleum refining
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CN105854738A
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Gas-liquid distribution disc used for petroleum refining
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CN106040104A
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Gas-liquid distribution disk for hydrogenation reactor
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CN106000241A
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Cold hydrogen distribution pipe for hydrogenation reactor
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CN106000237A
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Scale depositing device for hydrogenation reactor
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CN106076833A
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A kind of Johnson's filter screen and screen drum goods thereof
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