GB/T 12459  偏心异径管 DN 100×65-3RE

DN 100×65-3 RE

WN 1"-900 RJ Sch100

WN 150-1500 RFh1

BL2-40FMf00-350-

WN250 - 40RF

JPL 50×80(B)-16 RF

WN 40-900 RJ Sch1N1��

WN 700(B)-16 RF

SO50-300 Fm

PL 300(B)-25 RF&��C900 rfa RF-s/@bis150 WN RF S=4.0S.h-RF Sch40F�آ 164fr02.5