HG/T 20592  法兰 WN 25(B)-16 RF PL RF Ⅱch40J77.5�´

WN 25(B)-16 RF PL RF Ⅱch40J77.5�´

47065.3 B26r-2)-1rf25 F

BI 14006 DRF0-8F€šã51-s /@47023 rf1000-1

SO 2"-150 RF00RJ"0(B)-2WN25-150RFSch40 RF

SO 15(B)-25 FM

wn32-40rf010ch1H@s

WN 500-600 M Sch160

WN 40(a)-100 M

WN200(B)-40 FF

WN40(B