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HENRY LAYTON STAFFURTH
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HENRY LAYTON STAFFURTH
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Application filed by HENRY LAYTON STAFFURTHfiledCriticalHENRY LAYTON STAFFURTH
Application grantedgrantedCritical
Publication of FR410821ApublicationCriticalpatent/FR410821A/fr
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
A62B18/04—Gas helmets
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Health & Medical Sciences
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Pulmonology
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General Health & Medical Sciences
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
FR410821D1909-01-011909-12-30Appareil respiratoire perfectionné pour pompiers, plongeurs et autres
ExpiredFR410821A
(fr)