HG/T 2917-1980 Food Additive Ammonium Aluminum Sulfate (Ammonium Alum) has been changed from GB 1896-1980 Food Additive Ammonium Aluminum Sulfate (Ammonium Alum).
HG/T 2917-1980 Food Additive Ammonium Aluminum Sulfate (Ammonium Alum) was changed to HG 2917-1999 Food additive Aluminum ammonium sulfate.
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