Title:
Gas mask canister
United States Patent 1963874

Inventors:
Heinrich, Stampe Gerhard Karl E.
Publication Date:
06/19/1934
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Assignee:
Bernhard, Drager
Primary Class:
96/132
Other Classes:
55/DIG.033, 128/206.170, 55/487, 55/485
International Classes:
A62B19/00