李開偉

無塵室鞋底摩擦特性改良之探討 = = Investigation & improvement of slip resistant characteristic of shoe sole used in clean room / by: 李開偉; 行政院勞工委員會 (Language materials, printed)

攝影記者下背傷害評估研究 = = Analysis of risk of low backinjury for camera jourlists / by: 陳志勇; 李開偉; 行政院勞工委員會 (Language materials, printed)