Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Comparative tests of piston-drill bits
Results of study and experiment with several types. (No. 64412 N)
Comparative tests of piston-drill bits
Results of study and experiment with several types. (No. 64412 N)
Comparative tests of piston-drill bits
Bull Sch Min Met, Univ Mo
Forbes, C.R. (Autor:in) / Cummings, L.M. (Autor:in)
1915
13 pages
Ills.
Report
Englisch
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