Title:
Gas mask canister
United States Patent 1963874


Inventors:
Heinrich, Stampe Gerhard Karl E.
Application Number:
US57509331A
Publication Date:
06/19/1934
Filing Date:
11/14/1931
Assignee:
Bernhard, Drager
Primary Class:
Other Classes:
55/485, 55/487, 55/DIG.33, 128/206.17
International Classes:
A62B19/00
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