GB/T 12459  弯头 DN 25-Sch4090EL6 RF/aSch10S20)-10rfF.

DN25-Sch40 90EL6 RF/aSch10S20)-10rfF.

WN200(B)-63RF S=

WN32-300GFM 160.-/Sch40S-25 rf(s)8c00c6/u00

LWN 40-150 RF H=465

WN300(B)-150 RF/.5=3.6 M

pl50(b)-2.5rf

A WN 32"-300 RF

3 FM 800-1.0

wn32(A)-25FMIIF8@0-100F60FM705s6F00u00a3/؟½Sch80FJ440

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