FIELD: smoking accessories.
SUBSTANCE: group of inventions relates to smoking articles. Filter for smoking article contains filtering material and material from amorphous magnesium carbonate contained in filtering material.
EFFECT: ruled out negative effect on smoke taste, possibility to control humidity.
15 cl, 5 dwg
| Title | Year | Author | Number |
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RU2637563C1 |
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RU2461342C2 |
