Oxygen generating canisters for closed circuit breathing apparatus
United States Patent 3148034

Inventors:
Bovard, Robert M.
Jackson, Carey B.
Publication Date:
09/08/1964
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Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
Other Classes:
128/202.260, 423/230
International Classes:
A62B21/00
Foreign References:
CH183336A
NL19575C