GB/T 12459  异径三通 DN 350×350×8-Sch120TR

DN 350×350×8-Sch120 TR

LJ 14"-150 FF Sch6000(B)-63 FM=16

NB/T47023 M400-4.06F/ h1.6 δ=3444=16 d00-fS=11622-2-1Spam

pl80(b)-6rf d45.6 δ=61 rf1

SO40-10RFBp150rf

wn32(a)-100rf6b)00F-1 r5/fF10RFF-=S34F0-

JSO 45×80(B)-25 FM

BL500-25M-1

bl350(b