Technical revision of Detailed Design of steel poles for overhead line 2x110kV SS Beograd 1 – SS Beograd 20 (3 pole types) Posted on October 4, 2013April 18, 2019 by admin Technical revision of Detailed Design of steel poles for overhead line 2x110kV SS Beograd 1 – SS Beograd 20 (3 pole types)