NB/T 47065.1  支座 A 3913

47065.2 A3913

WN50-300RF S=5

WN400-150RF0.6 Оҙ0=

BL 500-10 RF

PL 50(B)-6 RF

DN 80-Sch40 C

47065.3 B4354

WN 125(B)-16 RF

WN300-150RF

wn 1"-150 rf sch400 RF Sch40F1F/500 Arf0@ch40f/70@1S50SF@WN1F16p@�ch80@Ff Tam0-150 r80h402a.25/067 ,hg/t20 Sc