Patents

  1. H. Setyawan & S. Affandi, Katalis asam padat dan proses untuk memproduksinya dari abu biomassa, Patent Pending, 23 Oct 2014, Reg. No. P00201406511.
  2. H. Setyawan & S. Affandi, Metode penghitaman baja dengan anodisasi untuk perlindungan korosi, Patent pending, 23 Oct 2014, Reg No. P00201406434.

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