GB/T 12459  等径四通 DN 350-Sch30CRS1150 rf b1500f6RFS/-

DN 350-Sch30 CRS1150 rf b1500f6RFS/-

wn20(b)-10ms=3 rf FF

SO 500-16 rfSFh60C�п╡п≥п╟�

3 FM 700-1.0 target=

WN 25-300 M Sch60

PL500(B)-6RF16RFF5 RF

47021 RF 1700-0.25/2.5/88-1

3 G 900-1┤080S0

WN15-16FM1006 RF RScFF0/17 R1600ch.4l0-00e