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US4466451A Method for aromatizing tobacco smoke 失效
芳香化烟草烟雾的方法

Method for aromatizing tobacco smoke
摘要:
A highly-porous silica gel charged with 10% by weight of anethole and 20% by weight of deactivating agent is used in the tip of a cigarette in order to aromatize the smoke drawn from the cigarette in a simple way with anethole even after prolonged storage of the cigarette.
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