Fusion Enery--frontiers 8 1 1 SG-III B01-2 small B-dot 5 72 2 SG-III B01-1 subminiature B-dot 3 SG-III B02-1 small barrel 4 SG-III D01-2 medium barrel 5 SG-III B01-3 medium B-dot 6 SG-III D01-1 small discone 7 SG-III D02-1 small planar 8 SG-III D02-3 large planarFusion Enery--frontiers