spectrum透析袋MD18（截留分子量... 佰易聚生物商城

p1Src=//y1.yzimgs.com/uploads_old/344714/2010111212350177_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/344714/2010111212350177_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/344714/2010111212350177_old_2.jpg"

aa