GB/T 12459  异径三通 DN 950×950×65-Sch40TR

DN 65×65×950-Sch40 TR

BL15-300RF Sch8.undefi-63160

BL 200-150 RF591 r

WN350-600 RF Sch30

bi900h1 S=52.5=393/crop-1.0 /u00

wn250(B)-10 fm0sRK=90/-1s RF S=12.7 H1=7ch6

wn20 -150 rf/0-10241 RF80MRF00rj0S/0uM3F

so15-150rfT1S=14M10.04016 FMF-25 M

WN80-3