GB/T 12459  异径三通 DN 1150×1150×350-Sch100TR

DN 1150×1150×350-Sch100 TR

BL 20-16 RF500(bs/F8J S=9.0000S80 s=3.1400-4.pamp

PL 65-10 FFRF6 RF0rf ss=8.8

20592pl500b-6rf6r/&=10)Â

3 FM 800-6.4 δ0=

3fm450-4.S=6M90

wn40(b)-16rfR000-100RF8

47021 wn450-40 fm=4mm8561/S=4 K=83 n=6 g/fF0R

SO 40-16RF530