GB/T 12459  弯头 DN 40-Sch4090ESEL10K 80

DN 40-Sch40 90ESEL10K 80

WN25-600RF A=33.7 B=24.5

WN250(B)-16 FM C=44 H=90 S=10

WN400-300 RF Sch40 S=5.65

wn50-1500 rf sch40

WN50 B-16FM

WN50(B)-100 m

WN50-2500 RJ B=45

wn40-150 rf schxs

WN600-10G23 RF1000-1.0 δ=60 H=120f¢ÃƒÂ¢Ã¢â€š�