Valve
United States Patent 2251086

Inventors:
Dyke, Sidney Van D.
Plum, William T.
Publication Date:
07/29/1941
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Assignee:
Dyke, Sidney Van D.
Plum, William T.
Primary Class:
137/202
Other Classes:
137/433, 137/424
International Classes:
F16K31/20; F24D19/08; F16K31/18; F24D19/00