GB/T 12459  异径三通 DN 1100×1100×1000-Sch10STR

DN 1100×1100×1000-Sch10S TR

WN 50(B)-40 RF S=6PN20

SO 50(B)-6 RF50(b-wn15-F RJF S100-10 B=

SO50-40MF/1.m2a

WN 6"-300 RF S=19.85

bl65-25ff.12010(b)-25rff009

PL500-10RFh80S0FF)130-28-150RFRF80006/180s=45.4 A

1 RF 600-1.02S=5a=78 b=4 rFR

WN20-600