VHEF-E-B52-G14 VHEF-E-B52-G18 VHEF-E-B52-N14 VHEF-E-B52-N18 VHEF-E-B53C-G18 VHEF-E-B53C-N18 VHEF-E-B53E-G18 VHEF-E-B53E-N18 VHEF-E-M52-M-G14 VHEF-E-M52-M-G18