GB/T 12459  异径三通 DN 450×450×50-Sch30TR

DN 450×450×50-Sch30 TR

WN600-1500 RJ S

WN80-150RF/S

WN65(B)-16 RF0.F00 FMR=2M

WN250(B)-16 RF16 Mδ6cF0

1 FF 450-10.165 wn4016592mo2/6 R

47023 fm800-1.0 δ=60 h=120.5 FMF S65(b4.5 �ampampnbspT40-

WN25(B)-16RF S=1030-.6/a2/u00c3/

bl15-10 f