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符合DIN ISO 1042標(biāo)準(zhǔn)
每支瓶身均有獨(dú)立編號(hào)
每支定量瓶均附有獨(dú)立證書(shū)
Volumetric Flasks
Volumetric Flasks Class A in compliance with DIN ISO1042 Standards with
INdividual Work
Certificate and Serial Number.
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