HG/T 20592  法兰 SO 200-63 RF-/S16FF D=2=150

SO200-63rf-/S16FF D=2=150

PL250-10 RFFMR=6m=-40 T

47021 rf1000-0.600 SCH20-110hg

SO 10(B)-16 T0 M S=12.7FM1

2 C4RFR/B)-D=12RF012.

lwn50-150 rf b=52 h=282

bl100-16 rf/J AAF4n Sch1rfr FM6 R

TPB-21A=B)S=30M2/u0S-900

SO400-10G4�=100 H=300 t121

wn300b