HG/T 20615  法兰 WN 80-150 RF Sch.80S5 b=3��0 RFt

WN 80-150RF Sch.80S5 b=3��0 RFt

2 RF 1900-0.60MS=FSch85 b=3 f1�

pl65(B)-16rf205925/65F

WN20B-900Rj000ch40 TRc)--1.0s RF00T0SfF r

BL 300-40 RF AN

lwn 40-150 rf sch80s)sB)-10RF Sch

BL150(A)-150 RF/6816RF=116-3/b=0c

WN 150-150 RFF/2.5/650SRFFr

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