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固态 聚四氟乙烯 LND S/T 瓶盖
实验室用PVC管，内径7.0，外径11.0，壁厚2.0 mm
THERMOSTATIC-REACTION VESSEL, FLAT FLANGE WITH GROOVE, WITH DRAWAL VALVE, CYLINDRICAL, ROUND BOTTOM, GRADUATED, DISTRIBUTION RING FOR STABILIZING MEDIA, DN 150, 4000 ML, GL 18, VALVE 10 MM,
甲醇中苯酚溶液标准物质
SS COL. 2M X 1/8" PW 10% CARBOWAX 20M ON 40/60 CHROMOSORB T
二叔丁基膦 10 wt.% solution in
2mL 透明瓶，12x32
PUMPING TUBE LFL OG/GB 3-STOPPER
甲醇中8种苯系物混合溶液标准物质
M-2B石墨垫 (PK/2)
