NB/T 47022  法兰 RF 1000-1.6 п╟п∙я┌б∙б░п╟п▒я┌�

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BL50-40 FM5E

TPB-1 δ=10 S1=105MM-2 M S=S

wn50(b)-900 rj0/=/s=5.0/80ch402-15-6

bl350-16 rf14HG/1.000-016G RFFM S=4.5 RFS=12200-

47065.2 A4FFcRF6Mc16Ã8�1=8 H=100pl600(b)-3000S5

WN200-25RF S/