HG/T 20592  法兰盖 BL 10-63 RF=3=1558 A=287 B=25500 FM Sch80p

bl10-63 rf=3=1558 A=287 B=25500 FM Sch80p

WN150-160 RJ S=2203 H=Вт€“в—

SO100(B)-10RF 未=7rf.0/-25rfSF0-150 rfδ5FMRFf b=4=212c

WN 20-300TCF@40@40H40-150 RF S=9hfm)

WN100-300 RF D=1.

SO 400(B)-10 M´ MБ�16 RFc-1 SRmpampamp00-1.0Rbl40Re H