NB/T 47065.1  支座 A 1810 RF6+H/FR=8 d=370 Î69 c-1.h0-33C

4 A1810 RF6+H/FR=8 d=370 Î69 c-1.h0-33C

WN20-16 RF S=25rfs=30 asme b10 rF b=2c4 RJF

WN100(A)-16 RF d=2660S Sch40

PL700(B)-10 RFRFM40800*fr2d=F S=8300=14

WN20-63G165/

WN80(B)-25 M S=8

WN40A-300RFch800-2.5 /

WN 40(B)-63 FM S=3.5B

WN300-16RF-16FF160