登入選單

返回Google圖書搜尋

An Apparatus for Measuring the Relative Wear of Sole Leathers, and the Results Obtained with Leather from Different Parts of a Hide

Reeves Welch HartRoy Clement Bowker

出版	U.S. Government Printing Office, 1919
URL	http://books.google.com.hk/books?id=7Cw7jgEACAAJ&hl=&source=gbs_api