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05.06 骨及角柱,未经加工或经脱脂、简单整理(但未切割成形)、酸处理或脱胶;上述产品的粉末及废料:
05.06 Bones and horn-cores, unworked, defatted, simply prepared (but not cut to shape), treated with acid or degelatinised; powder and waste of these products:


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