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an x-ray material composition measurement sensing device
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a kind of microwave reflection type vehicle material moisture measurement device
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a kind of wifi intelligent rtu module used in oilfield
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a kind of well site wifi communication network applied in oil drilling
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a kind of surface painting material sensing device
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an adjustable heat pump
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a kind of thin film material detection device
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water knife roll device patent certificate
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patent certificate of infrared moisture sensor
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a new type of moisture sensor patent certificate vehicular infrared solar room temperature adjustin
