NB/T 47021  法兰 FM 1200-4.0E rF/61200CH

NB/T47021 FM1200-4.0E rF/61200CH

2 G 700-1.6

WN100(B)-25RF S=10

WN 1/2"-300 RF Sch40SD=17&a RF-

WN 16"-150 RF Sch406MFrf10B

SO200-150RFASMEB)-25

SO 32-150 RF

3 FM 650-1.0 δ0=8 δ=48

PL 25(A)-10 RF

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