BKW-class BF-class B-class D-class DS-class LZ-class LS-class N-class RKW-class   BKW-class (75ΦX2)     BF-class (170Φ)     B-class (130Φ)       D-class (110ΦX2)     DS-class (110Φ)     LZ-class (110ΦX2)       LS-class (130Φ)     N-class (110ΦX2)     RKW-class (100ΦX2)