HG/T 20592  法兰盖 BL 400-6 FM8.9 Rb6RFC-RF140J=3(B)-1m/b)-10rfB=630

BL400-6FM8.9 Rb6RFC-RF140J=3(B)-1m/b)-10rfB=630

B WN 650-300 RFHG-110=12 f1=1165chCH2671@¿6=27mpaRF550CF504Sch40SF/-1

WN80-900 M S=6/

pl15-40m=6F0 RF-16

wn600-600rj

SO 50-300 G

WN15(A)-63 M0rj115b0-4.000c310-4.000c

BL350-10FF D=500=2

SO500(B)-16RF

P