GB/T 12459  弯头 DN 32-3.5180ES7. B=38@RF@4uRF2500cRF1=1@RF@4 Rch44060fFFFfSShR

DN 32-3.5 180ES7. B=38@RF@4uRF2500cRF1=1@RF@4 Rch44060fFFFfSShR

WN 500(B)-10 RF00RFF6r

B WN1000-300 RF

bl 200-600 RF

BI600-F(S)-╗7.12 RF@400/@PL1.

WN 100-2500 RF Sch160

PL500(B)-16 RF

WN100-600FMS¬°B))

bl 125(B)-25 RF

PL 50(B)-10 RFRFfRrf-150 RF