Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pneumatic clay diggers speed sewer tunnel excavation
Development of air-driven tools, eliminating picking or blasting, makes possible record progress in tunnel driving.
Pneumatic clay diggers speed sewer tunnel excavation
Development of air-driven tools, eliminating picking or blasting, makes possible record progress in tunnel driving.
Pneumatic clay diggers speed sewer tunnel excavation
Contract Rec
Contract Record ; 36
1922
3 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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