Title:
Pressure control valve
United States Patent 1940932


Inventors:
Herman, Albertine
Application Number:
US46773930A
Publication Date:
12/26/1933
Filing Date:
07/14/1930
Assignee:
ROGERS PRODUCTS COMPANY INC
Primary Class:
Other Classes:
222/501, 222/509
International Classes:
F16K31/60
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