long electrode length 160 mm
short electrode length 130 mm
for OEB20.20-OES20.20-OEB12.20-OES12.20-OGB20.20
OGS20.20-OEB20.10-OES20.10-OGB20.10-OGS20.10
OGB10.20-OGS10.20-OEB10.20-OES10.20-OGB10.10
OGS10.10-OEB10.10-OES10.10