HG/T 20592  法兰 SW 350-10 G

SW350-10 G

3 FM 600-1.6 δ0=10

SO 1 1/2"-150 RF

PL250(B)-6RF

WN 80-150 RF S=3

3 FM 500-1.6 δ0=10

WN 5"-150 RF Sch10S

LJ 24"-150 RF

BBL20-300 RJ

WN 50-300 G.5 δ0=10RF16025m61008rf1001/.hf/00h40F Ⅱpampampampampampwd=&ampamp;eqid=a