| 摘要 |
1336293 Toothpastes UNILEVER Ltd 19 April 1971 [17 April 1970] 18444/70 Heading A5B A toothpaste containing glycerine, water and chloroform having a reduced tendency to corrode aluminium comprises as corrosion inhibitor biuret, gelatine or benzoic acid or a watersoluble salt of benzoic acid. |
