GB/T 12459  弯头 DN 65-Sch1045E3D

DN 65-Sch10 45E3D

SO 300-150 RF

1 RF 900-1.0

20592WN350(B)-25G S=8

A WN 24"-400 LFM

2 RF 900-1.0

WN 50(A)-40 T Sch40

WN 400(B)-16 RF S=2

wn400-900 rj sch160

2 RF 900-1.6Rf1ch4g=5 900-1.0h0-8-RC-1 RFJ��JsRF@F S��3.5f�5..01640S0F��Js