NASA NTRS · 19710017591
Emergency escape system Patent
Abstract
Automatic braking device for rapidly transferring humans or materials from elevated location
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Billings, C. R., Mcdaris, R. A., Mcgough, J. T., Neal, P. F., Sweat, J. C.. 1971-03-09. Emergency escape system Patent. https://ntrs.nasa.gov/citations/19710017591
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