Distributing valve
United States Patent 2081510

Inventors:
Smart, Kenneth R.
Publication Date:
05/25/1937
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Assignee:
Smart, Kenneth R.
Primary Class:
137/624.140
Other Classes:
251/59, 239/99, 239/569, 239/444, 239/66, 239/DIG.015, 239/570
International Classes:
F16K31/36