Classification
EPK - Nuclear energy
2
EBA - Energy production, energy technology
1
EHA - Renewable energy sources
1
EVA - Energy demand, energy supply - comprehensive works
1
FGJ - Laser and electron beam processing
1
FGME - Microlithography
1
TBT - Optoelectronics, optical fibers, displays
1
TBTE - Laser devices
1