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pH7.6磷酸盐缓冲液
2L 软膏类用广口瓶
四甲氧基硅烷
双爪调节变向多用夹 双变向调节、电镀
PVDF针式滤器,200/盒
Partisil 10 SCX标准柱
土壤中杀虫剂成分分析标准物质
STOPCOCKS, THREE WAY, ACC. TO DIN 12554, T-BORE SOLID ST-PLUG, SCREW-THREAD RET. NUT, BORE: 6,3 MM, ST 29 / 13X120 MM
VITsafe? Safety-Wash-Bottle, PE-LD, GL 25, wash-bottle cap, PP, Ethanol, 250 ml
密封垫 20MM 聚四氟乙烯/橡胶 0.137 100