International Business Machines Corp.
view article (10.004545)
Firefighters' Breathing System Study.
International Business Machines Corp., Gaithersburg, MD
National Bureau of Standards, Gaithersburg, MD,
FSC-725033,
April 1972,
135 p.
International Business Machines Corp.
view article (9.9981365)
One-Hour Self Rescue Breathing Apparatus. IBM Proposal.
International Business Machines Corp., Gaithersburg, MD
Department of Interior, Denver, CO,
FSC 72-5047,
March 22, 1972,
67 p.