GB/T 12459  弯头 DN 40-Sch12045E3DS��u0ata/src/haibo.jpg

DN 40-Sch120 45E3DS��u0ata/src/haibo.jpg

wn50-150rf sc

aWN1000-600 RJJrfso1

WN40-300 RF B=36&1.0/3s5RF/(h-16RF° w

WN 80-100 RF SCH40/60 h=12(b)rfs

47023 fm600-4.0/64-125

bl125-16 t60t0l

WN 40-150 RF Sch806 RF=20-1h1/

bl450-900rf10 rf S

WN100A-4