HG/T 20615  法兰 SO 450(B)-150 RFMS09ph

SO 450(B)-150 RFMS09ph

PL40(B)-10RFFMFj

DN50/PN16/11B Sch40S5 RJRF.ï؟RF

PJ/SE 600(B)-10 RF S=4u0@PS5LMf�.RF0@RF 1000F167.5 RJ R

WN 250(A)-25 RF Sch40

2 M 300-1./1

wn65a-40rf/

PL100(A)-10RFF5

PJ/SE 80(B)-10 RF S=3

wN200-300rfF)-5 K=86F06075 RFGS4F