GB/T 12459  等径四通 DN 550-Ⅱ-9CRS5RFFSSCn409

DN 550-Ⅱ-9 CRS5RFFSSCn409

WN25-150RF17Ni12Mo/62.56-10RF

PL350-16RF SS/121.6/7/u00c

so500-25m î´=10.0

wn80(a)-160rfc=1

WN100(A)-63T1SFRj RSCH40S2T2

SO600-10 FMch40 RF@R0mpampampampampampampampquotHG20

pl350(b)-10rfd=S0F

WN 40(B)-25 RF S=7.15

SO250