HG/T 20592  法兰 WN 100-16 RF-RF.F25650n

WN100-16RF-RF.F25650n

PL100(B)-16 RF)-10c2/r50R)66RF

WN 800-100 RF15п╗п┬п√Б─≥п╗р╟п╡р√р╥п╗п┬п

WN50(B)-150G/0-300 rf s:15 bF f

WN50-40MS

bl300-16RF2000-4.0

SO 1 1/2"-150 RF1-RF

HP-2 S5100-1.0f10rGa2/u00e2/u0)-16