NASA NTRS ยท 19690012561
Rock drill for recovering samples
Abstract
Rotary impact-type rock drill for recovering rock cuttings
Keep this discovery
Explore connections, maps & timelines
Ford, A. G.. 1969-01-14. Rock drill for recovering samples. https://ntrs.nasa.gov/citations/19690012561
Cite the original work for its findings. Save a collection to share your selection of sources.