GB/T 12459  弯头 DN 200-Sch80S45ELo25F5 RJ-16SM00 SM00A@44FF 10r/F2 h=17550

DN 200-Sch80S 45ELo25F5 RJ-16SM00 SM00A@44FF 10r/F2 h=17550

WN50-150 RF B=48.3�

DN250-PN10 WN RF S=9.5

WN 300(B)-16 RF A=273

DN50-PN16 SW T Ⅱ

WN250-16RF A=273 B

20592 PL250-25FM/

PL 80(B)-16 RF050RF065F.5d.c4-9

WN500(B)-25 RF-13000RFё�

WN 5