Mechanics-Machinery - Reducing Aerodynamic Drag on Empty Open Cargo Vehicles . Rotary Percussive Auto-Gopher for Deep Drilling and Sampling
NASA tech briefs ; 33 , 8
2009
Aufsatz (Zeitschrift)
Englisch
Reducing Aerodynamic Drag on Empty Open Cargo Vehicles
NTRS | 2009
|Deep Drilling and Sampling via Compact Low-Mass Rotary-Hammer Auto-Gopher
British Library Conference Proceedings | 2010
|