弯头 DN 350-590EL2551F46/RFF S-c80-16

DN 350-5 90EL2551F46/RFF S-c80-16

bl25-16rf616RF40055b=3 D=155 d=10016rfF60=3.5 B

wn150-40 rf s=5/

wn25(b)-25 fm s=8

SO50-150RFCH160150 RF=4J Sch40FFF063 M=

SO300-16RF b=2 AA=142/

WN20B-63 FM HG/T2059

bl40-300 rfsch80-105frf RF S=9.ch4024.3

47023 FM1