Title:
Gas-regulating device
United States Patent 1610889


Inventors:
Schmidt, Gustave F.
Application Number:
US66993923A
Publication Date:
12/14/1926
Filing Date:
10/22/1923
Assignee:
Schmidt, Gustave F.
Primary Class:
Other Classes:
100/906, 100/909
International Classes:
F23D14/48
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