HG/T 20592  法兰盖 BL 20(B)-10 FF0806@.0FRFam

BL 20(B)-10 FF0806@.0FRFam

B WN 1000-150 RF S=10

SO 10-600 TFF sch40s44f/0.65-R@W110Mu2.5 RJ��آ�

WN 15(B)-10 RF

so50(b)-16ffï

WN 250-600 RF

PL15A)-10RFFmpampaS=18=6/1/

SO 65-150 RF�@80S2@ RF5 RM5M

SO125(A)-6RF 16Mn600 LFM wn36J2-1M31D=152R