NB/T 47065.1  支座 BⅡ 4055RF

BⅡ4055RF

BⅡ3177

3 B842516Sch54892@RF0�F6

WN 150-300 RF S=319755-R@16

WN 10"-300 RF Sch40S

3 RF 2000-1.0 RFJ

BI 739476�&10B)--6Fh40SJ00F@RFch60@RF@4 Rch44060f RF Sch12.5 RJ-R�RF@RRF SCH40RF.5°FS1

A wn 800-900 RJ

WN 900B-300 RF Sch10S16