氟化钡晶体光学盘, Barium fluoride crystal optic disc

溴化钾晶体光学盘, Potassium bromide crystal optic disc

氯化银晶体光学片, Silver chloride crystal optic disc

氟化钙晶体光学长方体, Calcium fluoride crystal optic rectangle

晶体抛光组件, Crystal Polishing Kit

一次性红外光谱片, Disposable IR cards

空气敏感样品管, Air Sensitive Sample Tubes

美国标准分子筛, USA Standard Sieve

USA 标准分子筛, USA Standard Sieve

Al-23管(两端开口);外径 (mm), Al-23 Tube (both ends open);OD (mm)