Automated temporary roof support (ATRS) systems for roof bolting machines : proceedings, Bureau of Mines Technology Transfer Symposium, Charleston, WV, June 23, 1983 / compiled by William W. Aljoe
(Information circular ; 8997)
国立国会図書館請求記号
YCA-I 28.27:8997
国立国会図書館書誌ID
000006525361
資料種別
図書
著者
Bureau of Mines Technology Transfer Symposium (1983 : Charleston, W. Va.)ほか