Paper and board intended to come into contact with foodstuffs - determination of the fastness of fluorescent whitened paper and board 与食品接触的纸和纸板.测定荧光增白纸和纸板的色牢度
2.
Paper and board intended to come into contact with foodstuffs - determination of the fastness of fluorescent whitened paper and board 接触食品的纸张和纸板.测定荧光增白纸和纸板的色牢度
3.
Paper and board intended to come into contact with foodstuffs - determination of the fastness of fluorescent whitened paper and board ; german version en 648 : 2003 与食品接触的纸和纸板.测定荧光增白纸和纸板的色牢度