NB/T 47023  法兰 RF 1200-1.6 п©Б∙═п╠Б√░я▐Б■▄п╠Б√═п╠б╟п

47023 RF1200-1.6 п©Б∙═п╠Б√░я▐Б■▄п╠Б√═п╠б╟п

WN 125-150 RF0RF)-F0hRFB)-16RFquothg20

3 FF2000-1g20615 w0 rmpampamC-16R/565 FFS33få…° wn200(b)-1

JPL 100×150(B)-16 RF

SO 20(B)-16 RF

LWN 60-150 RF

wn 300-150 rf sc