GB/T 12459  弯头 DN 80-Sch1090ES0-Sch160 TR6RFF0-

DN 80-Sch10 90ES0-Sch160 TR6RFF0-

BL15(A)-100M bl50 b1=90 k

SO100B-10FM /u00e254-023RFF-2009F w

WN400(B)-63FM40-16Fb24rf g50(0/

SW 500(B)-16 RF.Avlet06F166FNB= K-10RF.2

2 T450-2.50/

3 FM400-1.0100(0r�trfS=5RFFRFC0FEADchsssoM

1 RF600-1.6 δs=8

BI