GB/T 12459  同心异径管 DN 1100×15-Sch40RC

DN 1100×15-Sch40 RC

wn150-25 fm sc

47022RF1500-0.6zt09-1.0/

20592wn25(b)-25rf0)-0f/00RF S/.00-150 rf

wn50(b)-160FM-.071@°F5@P RF

WN65-16rfS=6F

WN20-16 M HG/T2

PL400(A)-10 FF Bar0rf=cf@WN0sRF@F SF0 RF�pl0S@470ch6F

WN 20-150 RF S=30 RF6 D=1015

PL70