HG/T 20592  法兰 SO 80-25 RF b=0150 RFh40RF6M

SO 80(A)-25 RF b=0150 RFh40RF6M

so450(a)-16 rf&ampampwd=&ampampeqid=80ebfc4e0003

LF/SE 80-300 RFrmpam=2-40-150

SO 100(A)-16 RFL1-105htm-pampam.6/13

WN 500(B)-16 RF S=8

wn150-150 tg/400

PL 200-25 RF1.ch40 S0RF b=5 Cr20Aah80FM Scm44--150 RF

wn80