FR 18-2 I-NS-K4 FR 18-2 I-NS-L4 FR 18-2 I-PS-K4 FR 18-2 I-PS-L4 FR 18-2 RM-NS-K4 FR 18-2 RM-NS-L4 FR 18-2 RM-PS-K4 FR 18-2 RM-PS-L4 FR 1896 FR 1896-M2