NB/T 47065.1  支座 A 4203

47065.2 A4203

WN80-300RF A=88.9 B=77.9

WN 40(B)-25 RF S=38

2 M 2800-4.020δ1=8

WN 25-150 RF Sch80/data

bl300-160g52-12

bl450-300 rfF0-4=afb3RF�║пRF500-s/@l

WN200-10RJ10a@bh4F@-900 RFmpampARF@0fF Sch40�001t0 RF Sc

WN80(B)-16 RF43064

WN 4"-