HG/T 20592  法兰 WN 800(B)-16 RF300 RF Sch160Jj@5c2@RF@443RFfRFF-RFWN Sc@ELTJrv

WN 800(B)-16 RF300 RF Sch160Jj@5c2@RF@443RFfRFF-RFWN Sc@ELTJrv

DN65/PN16/11B S=4

WN 50-150 RF Sch40SS

WN 18"-1500 RF Sch100ch47LGfRF@

BL 50-150 RF1RF5�@R

WN 50-150 RF Sch160

20592 bl250-25 mapa3-rf@40@S5

WN 32(B)-25 RF S=3

SO450 -10 RF

DN250-P