紙巾廣告說含PHG配方可消毒, PHG是甚麼? 是消毒殺菌物料?
By Flora Au (middle-school student) on 2012-11-27 Answers 1 Views 410
By Anonymous on 2012-12-05
可參考
http://blog.yahoo.com/_KVRIGCGYQL5YVRVKBHOXU2XJWI/articles/page/1
http://blog.yahoo.com/_LLQKB7DM7SUGZTQ6I3HHPSIDIE/articles/page/1
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