HG/T 20592  法兰盖 BL 80(B)-10 RF6 9

BL80(B)-10RF6 9

47023RF2000-1.0c==165.7-5mSch SchRF Ⅱ16F40f

B WN450-16 RF s=

WN400-150 RF)-1am.60

WN25(b)-160rjF60F40Sg

B WN700-300 RF B00rf0 RF.0-10

wn 65-300 rf6

WN 350(B)-10 RF S=4

BI 900Sh4001.

B BL1100-300 RFR0-600RJ RF Sch80S1FFRFt-1.0/a50rf