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  • 产品名称：Vacuum Pumps, Hand-Operated, NALGENE*

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简单介绍：
These durable pumps easily and quickly attain and hold vacuum of 25" Hg. Smaller sizes have a pumping rate of 15mL/stroke and 3psi positive pressure at the exhaust port. Larger sizes have 36mL
详情介绍：
产品货号 描述
vwr54903-808 Small Pump; Case of 4
vwr54903-819 Large Pump; Case of 4
vwr54903-820 Small Pump with Gauge; Case of 4
vwr54903-830 Large Pump with Gauge; Case of 4

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