GB/T 12459  偏心异径管 DN 100×40-6RE

DN 100×40-6 RE

PL 500(B)-16 RF

PL25(A)-16RF

SO 25-300 RF

BL 40-6 RF

WN 50-150 RF73591ch1FMFFR�@RF@4@40F.0J00 RFJ6

DN 1050-Ⅱ-6 TS

lwn40-900rj

PL15(A)-16RF

WN 450B-10 RF S=STDF0.6 δs=6p;ampwFF/6hg0 RF Sch40h=12004娉曞叞�0SF239000-RF150 RF Sc