GB/T 12459  等径三通 DN 65-Sch40STS

pl40(a)-16 ff9 PL 5

DN 65-Sch40S TS

BL40b-16MCH

BL600-150ff�A�

WN80-150 RF B04

llwn 40-900 rf nbl80-150rf-0RFCH400rf s440fCf0-f)-10

bSO350-150 RFL=244=10

SE80B-16RF5

pl125B)-16RFRF6Mrfch40sBL45 SC

WN 20b-25 RF50 RF SccRF5-.-8017.5 RJ-S10(b)-16 rf