I-Chem B167-3800BL 白色38-400密封盖,聚四氟乙烯(PTFE)内衬,散装 White 38-400 closed-top cap w/bonded PTFE liner bulk

I-Chem B167-3800BL 白色38-400密封盖,聚四氟乙烯(PTFE)内衬,散装 White 38-400 closed-top cap w/bonded PTFE liner bulk General Environment 24 237