GB/T 12459  弯头 DN 450-Ⅱ-1045EL0/u00 RF1Ra /u00

DN 450-Ⅱ-10 45EL0/u00 RF1Ra /u00

PL 100(B)-16 RF

WN65-63MASCH160 RF 400�am R00 rff22/ s55

1 FM 400-1.6 δs=6

SO6"-150RF

1 FM 500-1.0 δ=46 s=5

DN32/PN16/21F RF2 H0a6Sc2@h145780RFRF@443FS SC110RFRF 2000-1.6

SO 20(B)-16 RF

PL200(B)-6RF/ ط

SO1