NB/T 47065.1  支座 BⅡ 2426

BⅡ2426

B WN900-150 RF B=888RF-65m140 SORFRF sch

BL65-25RF=22ampampn

DN 80-Sch40 90ESS=82-150 rf0 rf shrft;h

DN65/PN25/11B Sch40S=f

WN50-150 RF Sch1189

bl600(b)-16m s=12.1G000-150rfh4/1

pl300b-10 ff.3.60rf R/0-12f)RFrf)rf151fm s=60/60

47023-FM600-1s