Pressure gas storage container and safety breathing apparatus
United States Patent 3338238
Inventors:
Warncke, Ernst A.
Publication Date:
08/29/1967
Assignee:
Drager, Otto H.
Other Classes:
220/523, 128/205.220, 220/501, 220/585
International Classes:
A62B7/02; A62B9/00; B63C11/22; F17C1/14; F17C1/16; A62B7/00; B63C11/02; F17C1/00