GB/T 12459  偏心异径管 DN 50×10-Sch40RE0.6DF5 RJ0 LT���4.0thg2

DN 50×10-Sch40 RE0.6DF5 RJ0 LT���4.0thg2

PL 40(B)-25 RF

IF25-16RF615403.5SS=8HG/50 R S=5.16

47023 RF500-1.0

WN15(B)-160RF

SO250-10FF B=s/ampampquRF Sch3043 B1=91 C=20M Sche0-600 r

bi 4997

PL 200(B)-16 RF759

1 CFM 1200-0.25 δs=6

WN15-600RF-L