HG/T 20592  法兰 PL 150 (B)-6 RF0001.0 802059c

pl150 b-6 rf0001.0 802059c

WN 20-300 RF SCH160-

SO 24"-300 RFRF00-R Sch1601f615SC-t1404Rp.31ff30ch8T-104�

wn15b)-40fm/0-)-1

SO 300(B)-16 FM

WN450(B)-10FM S(B)-25RFFFg5RF

SO 65-150 RFF S16 fm sch8175-250 RF SLRFervlet/invokeRF00-R Sch16014h

WN