GB/T 12459  弯头 DN 550-9.5245EL0RF s=8

DN 550-9.52 45EL0RF s=8

so 80-16rf/00(B)-16

BL 450-10 RF100-1

bl150-150rf sch40Rb0-52/f=5A r6 RFBB/F=3pamp

LWN 150-600 RJ B=47.790EL5F Sr/rfSf 1rf0h/0.1

SO25B-40MS=541¤ÂR=f00RJ63R9 RF RFcht/ad

WN20-2500RFRF4

47023 fm2600-1.0/1

WN100-300RF SCH

WN 1