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Method for improving mechanical property of aluminum-silicon alloy
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Preparation method of aluminum-silicon alloy modifier
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Method for improving microstructure of cast magnesium alloy
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Processing method of frequency converter mounting bracket for eliminating internal vibration
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Outer box shell processing technology for noise reduction of frequency converter
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Preparation method of LED packaging adhesive with cold and hot shock resistance
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Preparation method for improving refractive index of LED packaging adhesive
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A kind of lubricating oil with oxidation stability
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A kind of sterilized method of coolant liquid
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A kind of cooling liquid and preparation method thereof of long-acting inhibition cutting
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A kind of gear special antiwear heat radiation lubricating oil
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A kind of antioxidant preservative for lubricating oil
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A kind of lubricating oil
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A method of lubricating oil is prepared with graphene-nano-zinc borate crystal whisker modified vegetable oil
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A method of promoting outdoor woodwork weatherability
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A kind of preparation method of resistant fragrance gypsum handcraft
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A kind of new-energy automobile auxiliary charging device
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A kind of auxiliary device with protection battery charging Self-disconnecting and convenient retracted lead
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A kind of flame-proof environmental protection polyurethane elastomer
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A kind of model plaster with good wet strength
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