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6640 nmn nomex Pol Polyester ihe nkiri na-agbanwe agbanwe
6640 polyester fim / polyaramide fiber mpempe akwụkwọ na-agbanwe agbanwe (nmn) nke ọ bụla na-agbanwe agbanwe na-agbanwe agbanwe nke ọma (momex). A na-akpọkwa ya dị ka 6640 nmn ma ọ bụ f klas nmn, nmn inskings na akwụkwọ nmn insulating akwụkwọ.