Sound reduction material and manufacturing method thereof and a Carpet for vehicle using the same
The present invention relates to a method for manufacturing a sound insulating material, to a sound insulating material manufactured by the method, and to a carpet using the same, wherein the sound insulating material is manufactured from a composite resin composition comprising 30 to 70 wt% of alum...
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Format: | Patent |
Sprache: | eng ; kor |
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