GB/T 12459  弯头 DN 125-Sch10S45EL

DN 125-Sch10S 45EL

pl350(a)-10rfã

LWN00-300 RFВ°

PL 50-25 RF

BL 24-300 RF0S4.5 RJ-197.5 RJh402.5-15��FF1+C

wn300b-63 fm

pl25b-16rf 20ii

BL500()-2.5RF1pa.600 1280F205

B WN 4"-300 RJ

法兰SO 300-10 MS=Br17=3.5RF0 LF�6B)R-160-0.25/50-56 S=1