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CN107860428A
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A kind of gas field differential pressure flowmeter
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CN107860429A
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A kind of high accuracy balance flow detector
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CN107843300A
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A kind of nozzle meter for gas detection
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CN107843299A
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Casing-head gas flow measuring probe
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CN107907170A
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A kind of Measurement System of Natural Gas
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CN107818668A
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Gas field continuous data conveyer
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CN107884016A
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Possesses the flowmeter of nozzle arrangements
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CN107843301A
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Orifice-plate type natural gas metering device
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CN107843302A
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The measurement structure of natural gas measurement accuracy can be improved
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CN107558945A
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A kind of natural gas well anti-corrosion flow-guiding structure
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CN107964352A
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A kind of environment-friendly type coating
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CN107630673A
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A kind of natural gas blowout prevention air deflector
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CN107559531A
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The restricting orifice remotely conveyed for gas field
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CN107812469A
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Full-automatic magnetic stirring apparatus for chemical experiment
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CN107774187A
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A kind of low sticky degree reagent heating stirring instrument
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