| 摘要 |
<p>1457885 Tobacco substitute GALLAHER Ltd 8 March 1974 [29 March 1973] 15188/73 Heading A2C [Also in Divisions C3 and D2] Oxy cellulose, obtained by reacting cellulose under defined conditions with nitrogen dioxide dissolved in aqueous nitric acid, is used as a tobacco substitute, on its own or impregnated with calcium oxalate.</p> |
