GB/T 12459  等径三通 DN 1000-Sch80TSHG/1

DN 1000-Sch80 TSHG/1

WN80-150 FM Sch80b/e5RFS=4

47023 fm 1300-0.6 WN250(B)-40�

WN150-300 RF SCH1

HG/T20592-2009 SO20(B)-40 MFMpampampam

WN 150-1500 M S400T225.0rf0sC=1 b=0h41000-0

PL100(B)-16mF92-2

BL32(B)-25RF70-28040m

SO80-25 M50(A)-6

BL50(B)-160