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N”-pentamethyldipropylene triamine: an effective means to improve the sound absorption performance of polyurethane foam
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N”-pentamethyldipropylene triamine: an effective means to improve the sound absorption performance of polyurethane foam
n,n,n’,n”,n”-pentamethyldipropylene triamine: an effective means to improve the sound absorption performance of polyurethane foam
2025-03-12