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ActiveCN113587336AIncrease the number of closuresContinuous and stable operationMechanical apparatusSpace heating and ventilation safety systemsProcess engineeringControl theory
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InactiveCN111263042AImprove photoelectric conversion characteristicsHigh resolutionTelevision system detailsColor television detailsLight reflectionEngineering
InactiveCN111970420AAvoid scratchesEasy to useTelevision system detailsColor television detailsStructural engineeringElectrical and Electronics engineering
ActiveCN114124652AAccurately determineHigh efficiency in operation and maintenanceCharacter and pattern recognitionTransmissionInformation needsReliability engineering