73272779
Aug 4, 1980
Oct 18, 1983
Sheets and Plates of Filtering Material Used in Residences or Industry to Filter Gases or Fluids, Said Filtering Material Consisting of Spongy Material, Fleeces and/or Fabrics, the Fleeces or Fabrics Being Made from Natural or Artificial Fibers, Eventually as a Multi-Layer Compound and/or Containing Active Carbons
Fabrics