HG/T 20592  法兰 PL 125(B)-16 FF b=22B)-/0M

PL125(B)-16 FF b=22B)-/0M

WN 25-1500 RF S=365 RF K

BL 350-16 RF0-SchFR06FM

SO 8"-150 RF5 500-s/@A 100019110f6 RF6870hB-16

WN50(B)-100 RF

WN100(B)-63 rj/mpampampampampampa

BL 40-25 M

SO125-150 RF°)-25RFs=

WN25A-40RF675 k0S&a δ=1-20592-20rf2