51.70.A
72.10.Z - Research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
22.33.Z
30.02.Z
52.12.Z
52.48.G
52.63.Z
60.24.B
72.30.Z
72.40.Z
72.60.Z
74.40.Z
74.84.A