GB/T 12459  偏心异径管 DN 25×15-Ⅱ-9REm.h/ RedMF0

DN 25×15-Ⅱ-9 REm.h/ RedMF0

BL150-16 RF/0 rjMH-1.FF fm 500-4

BL 1"-300 RFrL=18�0000.6 �

WN65-16 FM S=695-

Pl450b-6ffrf R3FRF=5206)-1/RRF/RJ HGampa

WN150-2500 RJ1B0b44=46rf15-Frf2.5

B WN450-40 RF S=12@WN100(B)-16

SO50-150RF=20-100

HG20592