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Cross-linking agent for polyvinyl alcohol, polyvinyl alcohol products and method for manufacturing the same
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Nanofiber, manufacturing method thereof and manufacturing method of carbon nanofiber
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Artificial leather and the method for manufacturing therof
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Method of preparing for pan/phenolic-resin-based carbon nanofibers and activated carbon nanofibers by electrospinning
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Preparation method of two-phase carbon nanofibers and activated carbon nanofibers by electrospinning from polyacrylonitrile/pitch blend solutions
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An auto sampling and analyzing system of water sample required quality test
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A electro-blown spinning process of preparing for the nanofiber web
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A system of providing after service by internet
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A cooling and heating water purifier with excellent sterilization function
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An automatic milk feeding device
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A process of preparing for the ultra fine staple fiber
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A process of preparing for the ultra fine staple fiber
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A process of preparing for the sillicon carbide staple fiber
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A method of recovering volatile solvent
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A method of recovering solvent with low boiling point
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A method of recovering solvent with high boiling point
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A repairing tube of sewerage by non-digging type, and a process of preparing the same
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A carbin air filter for car, and a process of preparing the same
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A carbin air filter for car, and a process of preparing the same
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A process of preparing for the composite nonwoven fabric with activated carbon fiber
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