NB/T 47065.1  支座 A 120050Sch40/65 H=4-270

a 120050Sch40/65 H=4-270

WN40(B)-100RF400(b)-15 RF/u00a7/

20623B1=8FF0

WN 300-150 RFF S=550

so20(b)-16rf hg/t20615.5 AA=18f150-150c=16/50 R

BL600-6 RFs=F166RF403s0=61.0F-S1 RF1003 ARF s90

PL 450(B)-16 FFl00000∙╗н�

WN 65(B)-100 RF PL RF Ⅱ63RF