法兰 PL 50(B)-2.5 FFRF74f1259:wn80-

pl50(b)-2.5ffRF74f1259:wn80-

SO 80-10RF.5 C

bl20(b)-100 ff

PL250-40 RF S=4F b=0 f1=3

47023 fm500-2.5 /u00c3/u008e

LWN20-300 RF Sch40s

WN80-40T D=190 K=152 f2=3

47065.4 A3h101.6

WN80-160 MSch40S

3 CFM1800-2.5RFRF-2.

WN900b-10RF

WN80(B)-600FMh800-2.5/6