TOBACCO SMOKE FILTER
A tobacco smoke filter or filter element (10) comprising a thermoformed core (13) of tobacco smoke filtering material; the downstream thermoformed core having a profiled outer surface which defines at least one longitudinally extending channel (15) which extends the length of the core.
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Hauptverfasser: | , , |
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Format: | Patent |
Sprache: | eng ; pol |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | A tobacco smoke filter or filter element (10) comprising a thermoformed core (13) of tobacco smoke filtering material; the downstream thermoformed core having a profiled outer surface which defines at least one longitudinally extending channel (15) which extends the length of the core. |
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