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ActiveCN112072428BAvoid bad phenomenaSave assembly timeContact member manufacturingDustproof/splashproof/drip-proof/waterproof/flameproof connectionMetal sheetSilica gel
ActiveCN107970454BImprove the shortcomings of easy reunionGood dispersionOrganic active ingredientsPharmaceutical non-active ingredientsEfficacyBiocompatibility
ActiveCN102769809BAvoid the situation where the microphone cannot be found temporarilyAvoid situations where you can't find your microphoneRecord information storageRecord carrier contruction detailsVideo playerAudio power amplifier
InactiveCN101139257BSolve the problem of emission reductionWide range of usesOrganic chemistryOrganic compound preparationEnvironmental resistanceResource utilization
InactiveCN109212904ASolve the problem of decreased photosensitivityIncrease photosensitivityPhotomechanical apparatusCoatingsCarbon fibersCarbon nanofiber
ActiveCN112964556BContrastiveEasy to detectWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesTransmission beltClassical mechanics
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