GB/T 12459  偏心异径管 DN 400×300-5RE80

DN 400×300-5 RE80

wn40-16rfB50F-2009SB)-40 FM200 RF

WN1100-25RF/ RF)4

WN 500-300 RF s

so32b-25rf/u00c3/u00

WN8100(B)-40M5δRF S=6.380sh40 S

BL600(B)-16 RF D=8323 C=15 L=120-1.64-3155

SO80(B)-25 T-5/60-15-1.0.0FRFRFF

WN 65-900 RF/-40rp112/70FM S=4.56