GB/T 12459  弯头 DN 100-Sch16090E3D8016592p550)-15u00FM500

DN 100-Sch160 90E3D8016592p550)-15u00FM500

3 FM 500-2.5/3BF

SO 4"-150 RF B=91600(b2p550)-15u00FM500

47022 fm 1500-1.0/ãžâ´

WN 80(a)-150 RF

47023 fm 400-1.6/0/00/u0 C=2

BL250-16FF

SOP FF 10K 100A=1700901.b)-40fm107

wn250-300rf

47065.4 B6 DF(b