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47065.4 A400F50-1007N2�ÇáΓÇõ

47023 -rf450-1.010S51-

BL400-10RF61.0ch80R C=245-11

NB/T47023 FM 2000-1.6/1

WN 4"-150 RF Sch40Sb)-

SO 50(B)-10 RF/5RF50�

WN600(B)-300 RF SCH30s16

WN 150-300 G0.25

WN400-40MB

wn250-300mrnaRF S=30.258ch8050FF5