HG/T 20592  法兰 WN 50(B)-40 RF S=7RF4.

WN 50(B)-40 RF S=7RF4.

WN 80(B)-16 RF S=13

WN 8"-300 LMh40S.650 RFnR50RJ-

wn20-900mA= Sch1-1.6/6

bl350-300 rfmpampampampamp rf@=66 rf& SRFRFh46M@R

03FM450-1.02-15Mm0 خ

WN 3"-150 RF

pl15-16rj0900m400l0oru

WN 450(B)-16 RF Sch40S

WN125(A)-40M