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500UL 透明 玻璃替代 样品瓶
邻甲酚
头孢甲肟
25ml聚乙烯摁盖样品瓶
STOPPERS WITH FLANGES
隔垫(100只/包)
Sample container, PE-LD, with flush-fitting hinged lid, PE-LD, 25 ml
10x Connector 1/4'' UNF-28
Organomation 氮吹仪FEP涂层配套针(4in x 16ga,12支)
硼酸 AR(沪试)