法兰 BL 500-40 RFFFSAR

BL500-40RFFFSAR

47023rf2000-1.6/500-2.5=2.520615-20095

wn65(b)-10 rf d=160 k=130 n

A 1200-200-6 DN=1200 Ro=/

& wn350-600rj&;amp;ampamp;amp;amp;amp;quot

WN 250(B)-63 RJpampnbspthread-createF/

wn65(b)-16rf s=4

WN 40-150 M B=40G/ RF S=10=/F

pl600-16rf