HG/T 21574  吊耳 LP-3

LP-3s0=100-60= n= B=Â

PL 20(B)-16 FF b=3)-25RF-1

bl80(b)-16m16RF/2-8001

wn40(B)-2500 RFS0/45cadM B=F6/500h40S= n=80

47065.3 A454-/1/4.8043-

法兰 SO250-300RF=

47021 c-RF550-1.06RF7.83/6 RF SCH(BN=3F=1f1=4 b1=3FRF 70

wn25(a)-160rj0 R/b)-1-

3 FF 350-