康宁corning耗材 140-40C/DB EP 40ml 透明样品瓶,0.125”粘合盖垫,已认证,双层包装 LSP EP Scientific

康宁corning耗材 140-40C/DB EP 40ml 透明样品瓶,0.125”粘合盖垫,已认证,双层包装 LSP EP Scientific 144 cs