HG/T 21574  吊耳 SP-20

SP-20RF0 δ=100

PL25(A)-16 RFmp3.5419135 FF0

pl150b-6ff0a2011409mp1.13Mf

WN250-150RF SCH40S

PL 50(B)-16 RF

SO25B-16M5016 R123540

WN150-2500 RJ Sch2/u0c=4 f2f00-05921.60/0ff

PL 50(B)-16 RF B=55

WN 125(A)-25 FM S=4F116 RF S=7.11= 500-s/5 R6 R

DN100/P