GB/T 12459  等径三通 DN 500-Sch40STSL=R

DN 500-Sch40S TSL=R

C-BL250(B)-16RF

B WN 800-900 RF S=30

WN80-900 rf9 S=RFf

WN 2"-300 RF Sch40 f=1.5 �

B WN 700B-150 RF S=8

WN 500(B)-16 RF S=8

47023 FM700-1.6/46-125

wn600(B)-16 m00a3/u00c6/RF10h160�@RF.

WN 15(B)-16 RF S=37150 RFRFfm LGFM