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密封垫 13-425 聚丙烯 O/聚四氟乙烯 黄色
1-顺式-1,2-双频哪醇戊烯
气相色谱柱,TG-5HT 30m x 0.25mm x 0.25μm
PE-HD两通,用于7-9mm管径
混合量筒,SILBERBRAND ETERNA,B级,1000:5 ml,Boro 3.3, 45/40,含PE量筒塞
VISCOMETER CANNON FENSKE, BS 188, FOR TRANSPARENT LIQUIDS, IP 71, NR. 150, K. 0,035, RANGE cST : 7
C8 F254玻璃薄板,10*20,250um涂层厚度
BETABASIC PHENYL 5UM 250X4MM COLUMN
RECEIVER ADAPTERS, BENT, W. VACUUM CONNECTION AND DRIP TIP, SOCKET ST 19/26, CONE ST 29/32