GB/T 12459  弯头 DN 15-Sch10S180EL

DN 15-Sch10S 180EL

PL100(B)-10RF f1=3Mo2RFGF10-1.0G/T20592-2009F.25.

2 fm400-2.5b(00@407.5 RJRF=T S-281

wn200b-25fmFS586 RF

WN 3"-300 RF Sch80S.5

PL 200(B)-10 RF4.0

so 80-300 rf sch40

SO 40(B)-40 RF 4/u00c2/u00ac/u00c3/u00a3/u00c

BL40(B)-63mam