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Electroplating process of mercury mist surface
3mm Screwdriver Bits Set
Digital combustible gas detector
1nF/1nF/10nF/100nF/0
Test pressure：－0
Suitable For Gas Exchange Pressure Difference Tester And Ventilation Resistance Tester Multimeters Electroplating process of mercury mistShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Introduction: The gas exchange pressure difference tester for medical masks is suitable for measuring the gas exchange pressure difference of surgical masks and other textile materials. Scope of application It is used to measure the pressure difference index of mask under specified conditions Meet the standard YY 0469 2004 Y T 0969 2013 Instrument characteristics 1. Color
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