NB/T 47065.1  支座 A 3833

47065.2 A3833

47065.2 B5-1200-8Dpved=0ah3/u

PL65(B)-16 RF B=65 n=4 b=3

BL 250-300 M

WN80(B)-16 RF41345

bii 230

WN80(B)-16 RF43788

SO500(B)-16RF

20615 bl50-16 rf6@40@40Sch10S

PL 500(B)-2.5 RFRF S=2137SB200-60F=200101-1.0°wn803F/W00-0.6R0 RFfm7006 R54