GB/T 12459  弯头 DN 65-Sch10S45E3DB

DN 65-Sch10S 45E3DB

PL100(b)-16rf5/1.4RF

so200b)-40 rfpam

D PL200(B)-10 RF

WN25(B)-1500m

B WN 3"-900 SM SCH40

LWN250-1500 RFc-1

PL15(B)-16 RF d=45

wn350-600rf.60

bl280-25RFFF@63)-1500ervletM00@aF0300 RFh91F Ⅱt60SS40F35¢116RFScF0u0RF8F05 R7.5