A级 定量瓶(透明)

详细介绍：
符合DIN ISO 1042标准
每支瓶身均有独立编号
每支定量瓶均附有独立证书
Volumetric Flasks
Volumetric Flasks Class A in compliance with DIN ISO1042 Standards with
INdividual
Work Certificate and Serial Number.

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