GB/T 12459  偏心异径管 DN 1050×10-Sch80RE R@46F��ampa

DN 1050×10-Sch80 RE R@46F��ampa

3-FM 400-4.0/42/110-A-35°-4 S=8

WN250-16RFIRF=008

SO 40(B)-16 FF

wn80a-100 rf0F50AF s=10™โ–FB=25050050RF6 RF RF08iBF407.MRF1

pl 50(b)-40 rfh80RF-R�-100

pl100b-40fm C=24RFFM400-4.0

LWN 200-900 RF Sch80

wn50(