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样品瓶 0.7ML 8MM 螺口 透明
甲醇中磺胺嘧啶溶液标准物质
样品瓶 12X32 透明 铝/硅树脂 WM 11MM 1.5
COLLECTING FLASKS, ACC. TO SCHLENCK, CYLINDRICIAL WITH ROUND BOTTOM, WITH VALVE STOPCOCK, WITH PTF
Navigatorsil C18 2.7μm 50 x 3.0mm
304L 不锈钢 双端 符合 DOT 标准 取样钢瓶
侧滴型滴定阀，适用于50 ml, Boro 3.3 滴定管，玻璃阀芯
Thermostatic reaction vessel, 4000 ml, DN 150, flat fange with groove, with drawal valve, graduated, cylindrical, round bottom, KF 15, valve 10 mm, inside ?: 150 mm, outside ?: 190 mm, he
紫外线吸收剂Cyasorb UV531，2-羟基-4-甲氧基二苯甲酮
SAMPLE MAILER, PE-HD, ? 34 MM, HEIGHT: 85 MM, WITH SCREW CAP, BROWN
