NB/T 47065.1  支座 BⅠ 15542

BI 15542

3 B5 δ3=12

NB/T47065.4 B5

SO 22"-300 RF

47023 rf1000-1.0 î´=6

bl25-16 rf(b)0ch4050A@40@S5 RJrv(b1@RF@4t

HP-5

WN 4"-150 RF Sch40S

BI 77274

3 B7406rj10R150 RF-FF@RF40rum@�00RFRFR249f@40@F000-�RFbs0-1.6 B=6uot;-150 RF B=640.94s