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STRAIGHT HIGH VACUUM VALVE, "WITAFLO" TYPE N, DURAN, VALVE PLUG MADE OF PTFE 6 MM, SIDE ARMS D.10
10g砝码，E2级别，符合OIML标准
Gloves, size 9.0-9.5, length:310mm, Polychloroprene 1 pair
BDS-HYPERSIL-C18 3UM 150X3MM COLUMN
L-(+)-扁桃酸苄酯
ASTM D3606 Benzene in Gasoline Std. #6 w/ IS, (RM, ISO GUIDE 34)标准品
9种元素ICP-MS混标,50mg/L溶于2% HNO3
PHENYL-HYPERSIL-2 5UM 10X2.1MM DROP-IN GUARDS 4/PK
二（1,5-环辛二烯）铱（I）四[3,5-二（三氟甲基）苯基]硼酸
R-1,1'-联-2-萘酚
