HG/T 20592  法兰盖 BL 65-10 FMrf b Sc0(B)-10 RF b=3b==40 Sf

bl65-10fmrf b Sc0(B)-10 RF b=3b==40 Sf

WN 350-150 GC=/59-1.5S=3 M80=8.u00e2/u

SO 15(B)-16 RFbii 1ch86

47065.2 A6RJ.F6 R/3750 FFF 100�

bi 273 h=250

WN 450(a)-25 RF S=10 N==4.5-57.6060p06rfS=61=76 R

WN25-63 M HG/Th 4-RF A=0=

SO500(B)-16RF31603.c6