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Training Within Industry Materials
United States. Training Within Industry Service
其他書名
Bulletin Issued by Training Within Industry and Outlines of the Training Within Industry Programs for War Plants and Essential Services
出版Bureau of Training, Training Within Industry Service, 1945
URLhttp://books.google.com.hk/books?id=4uTNAAAAMAAJ&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN