2014年7月2日星期三

Ultra Filtration System - Difference Between PAN (Polyacrylonitrile) Membrane & PVC Membrane


PAN (Polyacrylonitrile) Membrane 


INNER PART




PVC Membrane


INNER PART

FRAGMENT OF PVC MEMBRANES

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1 条评论:

  1. SukhAmritWaterPurifier2021年12月24日 17:58

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