series ------------ PB-260/FMS-AG PB-400/FMS-AG PB-500/IMP PB-501/IMS PB-650/IMS PBS-825/IMS PB-1000/IMS PB-1225/IMS PB-1525/IMS PBS-825/IMP PB-1000/IMP PB-1225/IMP PB-1525/IMP