HG/T 21574  吊耳 SP-35

SP-350 RF Sch40S0 h=u.0R B=408M�

SW 15-900 RJ0R6c=

WN 40(B)-16 RF S=2.8ampampquothg20h2RF=1

WN 80-150 RF Sch405b)505-200-1=1RF

bl20-63rf-2F50RF-Sch41Schersh--6.4(B)-20RF0fb=6

WN 25-1500 RF S=4015-2009S=5S=F

WN 5"-300 RF Sch80Sch/m92-2F807-1012