HG/T 20592  法兰 PL 250-16 FF16rfPL50/10Rh40Fch40Ru000 RFN

pl250-16ff16rfPL50/10Rh40Fch40Ru000 RFN

BL150-150 RF L=3/4f/@A=3604m4

WN 32-2500 RF Sch8.6105f0025(S05r80.4/5

BL800-150RFп╟п÷п╒п┴п╟п▒я┌б∙б≤п╟п÷я┌б√б▓п╟б▒я┌б■п▄я┌б┴п┘п

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