GB/T 12459  弯头 DN 100-Sch4090EL00

DN100-Sch40 90EL00

WN 20(B)-16 RF S=3

PL750-2.5 FFs=3.5,206 D-1.0F RF S=2

WN15-300RFsch40/-150rf=36/FS=

LWN75-300RFK@s957021 c-rf10-160 M S=S=10R0-rfJor

so350(B)-10RFF0 RFF-0S

so10(b)-10rfrfM6-1

WN 500-10 RF

wn50(b)-10 rf£RF0400 SG�04&

PL40(B)-25