NB/T 47022  法兰 RF 800-1.0/80ichc10=8

2 RF 800-1.0-/80ichc10=8

TH(NPT)10-16 RF@

BL25-63 RF

LWN25-300 RF Sch80S H=219

WN 1-1/2"-300 RF B=671 S=2

WN 50(A)-25 RF K=24

WN40-2500 RJ Sch40S

NB/T47021 FM900-0.25

WN 300(B)-16 FM S=10

WN300-600 Rf SCH80-0S0S LT RF5 FMh80Sp;‡é4.0;-150 RF 1