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Innovative cigarette wrap with open area bands
Innovative cigarette wrap with open area bands
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机译:具有开放区域带的创新香烟包装
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摘要
A wrapper of a smoking article comprising a base web and banded regions comprising a leading edge, a trailing edge and a plurality of material-free openings between said leading edge and said trailing edge. The openings establish a predetermined, nominal opened-area within said banded regions to control diffusivity. The add-on material can be applied by a gravure roller comprising a surface region with cells, cell-free areas and a chevron shape.
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