..............page:28-29,34
Development of portable dynamometer-type instrument
sun yu1; ding fuhai2; li weihua3(1.market department; harbin bearing group corporation; harbin 150036; china; 2.deparment of quality management; harbin bearing group corporation; harbin 150036; china; 3.electric motor bearing sub-factory; harbin bearing group corporation; harbin 150036; china)
..............page:51,59
Failure analysis of bearing
liu yanmin; yuan xin; zhao yi(bearing r & d center; harbin bearing group corporation; harbin 150036; china)
..............page:35-36
..............page:24-25,27
..............page:1-3,10
..............page:15-16,20