DF57H-4P-1.2V DF57H-4P-1.2V(21) DF57H-4P-1.2V(23) DF57H-4P-1.2V(51) DF57H-4S-1.2C DF57H-4S-1.2C(08) DF57H-4S-1.2C(08)/HRS DF57H-4S-1.2C(15) DF57H-5P-1.2V DF57H-5P-1.2V(21)