Thomastik-Infeld Spirocore Viola… Thomastik-Infeld Spirocore Viola G, Silber Art-Nr. S20A Hersteller Thomastik-Infeld Thomastik-Infeld Spirocore Viola… Thomastik Spirocore Viola G, Silber × Thomastik-Infeld Spirocore Viola G, Silber