HG/T 20592  法兰 PJ/SE 150(B)-6 RF S=3

PJ/SE 150(B)-6 RF S=3

HG/T20615-2009 WN500-300 RF B=480

WN 100(B)-63 RF S=3.5

PL 250(B)-16 RF

WN15(B)-160RF

WN 250-150 RF

SW20-1500 TRFrf-1500 LMTTTTTTTRF

SO 100-150 RF B=6 RF

WN200-300 RF

bl40(B)-63FMS=325(b)-40rf.1P)-1601M305- d= k1le=27.2 RFRF-R�