登入選單

返回Google圖書搜尋

Evaluation of a Penetrometer for Estimating Roof-bolt Anchorage

Juel H. Stears

出版	U.S. Department of the Interior, Bureau of Mines, 1965
URL	http://books.google.com.hk/books?id=3I1nOd6prQoC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN