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1by Jayaraman, Natesa I.Subjects: “...Coal-mining machinery....”
Published 1977
Government Document Book -
2by Courtney, Welby G.Subjects: “...Coal-mining machinery....”
Published 1978
Government Document Book -
3by Jayaraman, Natesa I.Subjects: “...Coal-mining machinery....”
Published 1985
Government Document Book -
4by Divers, Edward F.Subjects: “...Coal-mining machinery Safety measures....”
Published 1982
Government Document Book