GB/T 12459  弯头 DN 200-690ELA)M700-1.09 b

DN200-6 90ELA)M700-1.09 b

WN600B-25MFM=1/=89�=4=

WN80-900 RJ Sch80 S=7

WN 25(B)-25 RF-S0-150 RF80RF

wn200-16t d=315

PL250(B)-6RFаПF)-F-10F T RF SF1.6RF=38283

bl300-6fm/R2orum550Rfch10S500080-25RF/T1ШўA0(b)-

bl125b)-40 gm1506-1pa507515

WN 65(B)