作卷烟纸用的材料，过滤纸和过滤嘴接缝纸材料，包括定向可透气部分用的材料。透气性的测定。
Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having an oriented permeable zone. determination of air permeability.
作卷烟纸用的材料，过滤纸和过滤嘴接缝纸材料，包括定向可透气部分用的材料。透气性的测定。
Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having an oriented permeable zone. determination of air permeability.
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