GB/T 12459  等径三通 DN 65-Sch40STSrf C RF59C=17 b=0M

DN 65-Sch40S TSrf C RF59C=17 b=0M

SO3"-300 RFFF

WN 100(B)-63 RF S=4B=400-1-h30

SO 150(A)-6 FF45�¡ Sc=3840

WN32(A)-300 RF=16

b wn1500-300 rf A007F20-2

SO300(B)-10RF5-R

WN 100-150 RF Sch10S86vsRa9 RF/s320-g F

LWN 50-150 RF B=52 H=178

BL100-10FM