NB/T 47065.1  支座 BⅡ 1768

BⅡ 1768

SP-6-20-12/50-

WN 15(B)-25 M S=3

BL300-6 RF525

SP-1 DF F√�6 D25/fo70-4200f40fM/8N100-

LWN 1 1/2"-150 RF Sch10S02in8 sh80sWN23671RF@

BL25-900 rj0m-=80rB5 C50(20вҖ 20BfS=6J d00e6F s5

wn450b)-25 rf n= Rh

20592pl150b-16rf

SO 25(B)-16