HG/T 20592  法兰 PL 450-10 FF40Sf1009e1ftj16rf a/

PL450(A)-10FF40Sf1009e1ftj16rf a/

WN600(B)-16MFM- GRFf s=3

SO100-300 RF/6/ch400-1

BWN1250-300RF6

20592PL80b-16RF K=1F-p�20Ң

LWN 2-300 RF00Nt;6¡2600-s/

LWN 65-1500 RF/25 rf

47021 FM 550-0.6/δ=38 �

3 CG 1300-0.620δ0=1

WN25B)-63M5d=175TK=73ampam