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Priority to AU10988/92ApriorityCriticalpatent/AU630067B3/en
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Publication of AU1098892ApublicationCriticalpatent/AU1098892A/xx
Publication of AU630067B3publicationCriticalpatent/AU630067B3/en
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
A62B18/02—Masks
A62B18/025—Halfmasks
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Life Sciences & Earth Sciences
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AU10988/92A1992-02-141992-02-14Mask with means for passing out the expiration of air
CeasedAU630067B3
(en)