GB/T 12459  弯头 DN 65-Ⅱ-4180EL

DN 65-Ⅱ-4 180EL

BL200-10RF

PL250(B)-6 RF

PL32-16 RF=130

1 RF 600-0.6

1 RF 900-1.0

PL500B-2.5RF C-50RF Sh

PL40-16RF b=2

SO 40(B)-40 RF

BL500-10 RF3S14RF5 RJ RFF160һ40F0RF40H@RH@Rch330FF)- PL RF Ⅱ350-2.5M0616j0 îRF083m RF0RF Sch10S020a1 RF B=102R