GB/T 12459  同心异径管 DN 50×25-6RC�u0083/data/src/public/public/wx

-fm1100-1.6/@wn100(b)-16 rf s=6 R

20615 LWN200-600RF B=55H1m50-1F6010= rf-1.arget=0=8f 1/

SO450(B)-16 RFfF500-0F H=229A

wn150(b)-25ff s=pampampampam

PL 300-10 RF 9119

20615 so40-150 rf=4mmδ=54/60-0/6F S12

023 FM400-1.6/F15

1 RF 500-0.6 δs=8

20615so