HG/T 20592  法兰 IF 20-16 RF S0=4.5 H=150

IF 20-16 RF S0=4.5 H=150

WN20(B)-40MS=40RJRJ103pl80-1-2512-1awtM/i1=

WN25-40G

wn20(B)-25 RFÃ16620b)

BL 500-6 RF C=54 A0 RF Sch40f0

SO 100(B)-300 RF

BI 3000 f1=0-1b rjRF

法兰LWN 20-150 RF H=158 B=18.5

NB/T47023 FM500-2.5Ff1000

PL 65(B)-6 RF=F-FFfES