GB/T 12459  等径三通 DN 200-Sch40STS00RF B=52

DN 200-Sch40S TS00RF B=52

WN125(B)-25RF S=7f1

WN 80(B)-40 RF S=5 RF Sch40

BL450-25RF-16FpRF0�.0/1616

bl100-16 mfmRFFg.htmât50-

SO 250(B)-10 RFSch80S HS=1616

PL50-16 RF04-150-1.0c0-54SS5 RJch10Sc3��7SS0 RF Sch160mpamF FMJww.fn6 f@470

wn450(b)-1