康宁corning耗材 C346-0020 I-Chem 20ml 琥珀色样品瓶,密封盖,已认证 LSP I-Chem

康宁corning耗材 C346-0020 I-Chem 20ml 琥珀色样品瓶,密封盖,已认证 LSP I-Chem 72 cs