Title:
Arrangement in breathing apparatus
United States Patent 3366133


Inventors:
Alfred, Johannisson Dag Olof
Application Number:
US41461664A
Publication Date:
01/30/1968
Filing Date:
11/30/1964
Assignee:
AGA AB
Primary Class:
Other Classes:
137/593
International Classes:
A61M16/00; A61M16/10
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