Beijing calm down Aramid packing consisting of silicone or Teflon oil; It has antiseptic properties which have increased the use of thi...
2 Naftol;2 Naftolo;2 Naphtol;Antioxygene BN;Azogen Developer A;azogendevelopera;azoiccouplingcomponent1;beta Monoxynaphthalene Has been ...