HG/T 20592  法兰 WN 32(B)-25 RF(B/.2

WN 32(B)-25 RF(B/.2

WN20B-600RFп╟б═п╡б²п╟п▓п╡п┌п╟б▌п╟п│п╡п≤п�

1 RF 400-1.0 δs=10

WN50-150RF Sch160S)0 Ra

WN 250-150 RFRF-16R0615 wn400M Sch8070-265

3 FM 900-1.6 δ0=20(B)-/s)

WN 150(A)-25 RFS 14

lwn25-300