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LICHROSPHER SI-60 5UM 25CMX3.2MM ID
叔丁氧羰基-D-天冬氨酸 4-苄酯
PIPETTE TIPS, PP, WITH COVER, YELLOW, UNIVERSAL, 5 - 200 ul, AUTOCLAVABLE, CONFORMITY CERTIFIED
8种异味有机溶剂混合物标准溶液(每种物质浓度为1ug/ul)
Retort ring with bosshead, ? 70 mm, closed, length 70 mm, stainless steel
10uL固定针用Teflon端头推杆
Upgrade 947 SW/MW
2-溴丁酸, 98%
电缆
Pesticide Method GC Consumables 套装 S/SL