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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)

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)
Microform図書
1984<YCA-I 28.27:8997>
National Diet Library
  • Author HeadingBureau of Mines Technology Transfer Symposium (1983 : Charleston, W. Va.) Aljoe, William W United State...

Cabs and canopies for underground coal mining equipment : proceedings : Bureau of Mines Technology Transfer Symposium, Charleston, WV, June 22, 1983 / compiled by William W. Aljoe (Information circular ; 8996)

Cabs and canopies for underground coal mining equipment : proceedings : Bureau of Mines Technology Transfer Symposium, Charleston, WV, June 22, 1983 / compiled by William W. Aljoe (Information circular ; 8996)
Microform図書
1984<YCA-I 28.27:8996>
National Diet Library
  • Author HeadingBureau of Mines Technology Transfer Symposium (1983 : Charleston, W. Va.) Aljoe, William W United State...

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