GB/T 12459  同心异径管 DN 150×80-Sch80RC

DN 150×80-Sch80 RC

BL40-2.5RF)-16F

wn80-40rf a=8

DN350-PN2.5 PL RF Ⅱ

WN25B-63FM S=5

WN200-150 RF Sch40 S=16

PL 150(B)-16 RF b=2

WN 200(B)-16 RF S=NPT

PL 65-16 RF B=78 b=3

PL10B-10 RF5-165304RFF0FSCH642 RF16 600-RF7/16 RF2w8mpa00δ5RF50RF&wd=&eqi00