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QM-1 Automatic Pressurizing Self-Rescuer Air Tightness Tester
Chemicals/Chemical Intermediates/Intermediate CompoundsNegotiable
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DHM2 Ventilated Psychrometer
Chemicals/Chemical Intermediates/Intermediate CompoundsNegotiable
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DYM3 Plain Aneroid Barometer
Chemicals/Chemical Intermediates/Intermediate CompoundsNegotiable
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Optical Interference Methane Detector Calibration Device
Chemicals/Hydrocarbons/AlkanesNegotiable
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Intelligent Standard Calibrator for Mine Outburst Prevention Instruments
Instruments & Meters/Other Instruments/CalibratorsNegotiable
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JZG-1 Optical Interference Methane Detector Calibration Instrument
Chemicals/Hydrocarbons/AlkanesNegotiable
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Intelligent Gas Permeability Coefficient Tester
Chemicals/Chemical Intermediates/Intermediate CompoundsNegotiable
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