GB/T 12459  异径三通 DN 350×350×40-Sch60TR28.5RF0F 6

DN 350×350×40-Sch60 TR28.5RF0F 6

WN 15-900 RJ S=5K/650 D

wn50-150 rf s=6/s316030613-1cm=

bl600-150 rf c1.htmlRJ1.0/70F0pF410b=0-1.6.64

WN200-300RFcS

BL40-16RF Ⅱ1R0-56F S=8=ch402S�ot

bwn800-300rf009M S590=10

WN 40-150 RFUK B=24.3-)-16 RF RF1-1

W