法兰 WN 40(B)-16 RF s=4.5600 RF38.6+0.5rfch10

wn40(b)-16 rf s=4.5600 RF38.6+0.5rfch10

pl150(b)-16 rf d=210 b

WN200-300RF-Sch30

BL500-6RFD=615K=580d=540L=18C=33/

BL 500-6 RF

47023rf800-4.0L600(B)-6 RF.5

47021 FM500-0.606R

wn 32-16 rf sch40/

BII 12001900-4.04RF Sc

SO2250-150 RF/

WN25(A)-16 MB)-16