GB/T 12459  弯头 DN 100-Ⅱ-3.590EL0WNmfF4.01mpams00-1-Sc2@RF@443RF5��JsRF娉æ

DN 100-Ⅱ-3.5 90EL0WNmfF4.01mpams00-1-Sc2@RF@443RF5��JsRF娉æ

PL 450(B)-6 FF

BI273 h=337.5

WN450-10 G0 RF Sch10S401��0RSchc-16rfh80FM5@

PL300(B)-25 RF

WN100(A)-16 RF S=6

SO250(B)-10 RF

WN350-300 RF Sch40-3h16S21

WN 80-150 RF Sch80

WN 10