HG/T 20592  法兰盖 BL 20-16 RF/ S

BL 20-16 RF/ S

SO100-150 RF

WN 80-150 RF1B Sch80Sژآ´0=10 S=11cFSch4000-8-16RFL40 H RF0400mp

PL300(B)-6 FF b=0S1i12Mo2Ⅱ WAA=35b=3=0mmthh80c0530.600b109

WN 1 1/2"-600 RF Sch8╥�pP/

PL50-6RF B=66rf f1

WN 350-150 RF S=STD

wn50b)-25mFSch40؟�