GB/T 12459  弯头 DN 800-Ⅱ-1490ELR5@000 RF B=16 RF S=7Jyz1Sh40RRFJ-R9eS-RFWN

DN 800-Ⅱ-14 90ELR5@000 RF B=16 RF S=7Jyz1Sh40RRFJ-R9eS-RFWN

WN 50(B)-160 M S=8RF

so200(b)-10 fm160 m-1F)4�ذ²� R

1 FM 1200-0.6

PJ/SE 25(A)-16 RF S=9

wn80-300rf/h4020 RF0( Ãh89

pl500(b)-6 rfÃÆ/

SO 15(B)-16 RF

WN 50-150 RF Sch80

SOP FF 10K