NB/T 47065.1  支座 BⅠ 56852 RF LFm54213t

BI 56852 RF LFm54213t

pl40(B)-25FF0-0/60-121sTD

PL25(B)-16 RFM/f/FMS=3.5 δ0=18RJâ

BL50(B)-25 T S=3.56 n=40R-0.6\u00c3\u

WN600B-300FM0.6f B=0-16

BL600(B)-600RF0004 RF1.SSCH10S RFf0rfH.00

PL 300(B)-16 RF5142

BI 78401

47065.2 A5604j@5c2J6 RF172

WN80(B