Title:
Open-cycle breathing apparatus
United States Patent 2882895
Inventors:
Roberto, Galeazzi
Publication Date:
04/21/1959
Export Citation:
Assignee:
Roberto, Galeazzi
Primary Class:
Other Classes:
128/204.27
International Classes:
A62B7/04; A62B9/02; B63C11/14; B63C11/22
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US Patent References:
Foreign References:
FR5115A
FR922872A
CH284946A
FR1078875A