CH 50K50 CH DELSS1.22 CH DELSS1.22-N1P2-35 CH DELSS1.22-N1P2-35-0-20-R18 CH DELSS1.22-S1T2-35 CH DELSS1.22-S1T2-35-0-20-R18 CH DELSS1.22-S2T2-34-0-20-R18-XX CH/27/BC-9 CH=CB CH0002