Contract Notice – General Guidelines, Standard Regulations Open Procedure (Construction Work) 2270 Johann Von Nassau School Dillenburg; Grundh. San. School Building 2.Ba; Metal Construction Doorsmetal Construction Work Doors2270 Johann Von Nassau School Dillenburg; Grundh. San. School Building 2.Ba; Metal Construction Doors...  More2270 Johann Von Nassau School Dillenburg; Grundh. San. School Building 2.Ba; Metal Construction Doorsmetal Construction Work Doors2270 Johann Von Nassau School Dillenburg; Grundh. San. School Building 2.Ba; Metal Construction Doors6 New Aluminum Door Systems T30Rs Inside With Locking Systems1 New Aluminum Door Element Outside 4 New Steel Elements Inside And Outside