Porous materials

Porous materials

  • CN 102,770,196 A
  • Filed: 11/11/2010
  • Published: 11/07/2012
  • Est. Priority Date: 11/11/2009
  • Status: Active Application
First Claim
Patent Images

1. porous film material, it comprises the porous membrane substrate that is coated with even shallow layer, and the material of said even shallow layer is different with the material of said porous membrane substrate.

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