铝制钳口瓶盖 带硅树脂/PTFE密封垫 ,100/包
商家询价 上海希言科学仪器有限公司
SHODEX
Lumina Hollow Cathode 2" Lamp - Te
Lead DSC Calibration Reference Materials
TARGET POLYSPRING玻璃内插管,300ul, 100/包
Lumina Hollow Cathode 2" Lamp - Cr
TG-624SilMS GC Column,60m x 0.25mm x 1.4um
60ML 收集瓶,72个/包
衬管密封圈,用于Trace 1300 系列SSL 进样口,5个/包
Quartz Torch 1-Slot Avio