FIELD: tobacco industry.
SUBSTANCE: invention relates to a smoking product containing a smoking material rod and folding paper enveloping such product and having a ventilation embossment field where the gas diffusion coefficient is higher that that of the remaining folding paper; the ventilation embossment overlaps the smoking material and is restricted to the half of the folding paper closest to the mouthpiece end of the rod.
EFFECT: keeping constant gas exchange for exclusion of variability of gas dilution degree.
26 cl, 7 dwg
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