本发明提供聚四氟乙烯多孔膜、其制造方法及过滤材料。
The present invention provides a Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium.
本发明提供聚四氟乙烯多孔膜、其制造方法及过滤材料。
The present invention provides a Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium.
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