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Ono Tetsuhiro,Aramaki Minoru,Ushirogouthi Etuo Process for preparing anhydrous aluminium fluoride: US,4070447[P]1978-01-24. 唐仲友;李月秋;黄文辉;等一种生产砂粉状无水或含水氟化铝的方法:中国专利;1590299[P].;2005-03-09