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InactiveCN107450023AAccurately implement online health status assessmentImplement online health status assessmentResistance/reactance/impedenceElectrical testingState of healthEngineering
InactiveCN103914724AConvenient paymentLow costRecord carriers used with machinesCoded identity card or credit card actuationOperating systemStorage cell
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PendingCN113823751APrecise control of dripping timeImprove performanceSolid-state devicesSemiconductor/solid-state device manufacturingElectron holePhotoluminescence