GB/T 12459  弯头 DN 40-Ⅱ-3180EL0RF0592

DN 40-Ⅱ-3 180EL0RF0592

WN20-300 RF Sch40B RF Sc

bi1000-fs.9 hmlS10mpamSefined0F

BWN 850-150 RF S=140(B)-16FM C=32rservletM00r0

WN 15-1500 RJ Sc

WN950(B)-16 RFrf33/06

LWN 500-2500 M Sch140325 C

PL 40(A)-10 RF6RFFF S H=18G/S.4

WN80-150RF Sch160F F

BL