Title:
Automatic flushing system for gauge pipes on suction dredges
United States Patent 2553918
Inventors:
Hofer, David L.
Publication Date:
05/22/1951
Export Citation:
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Assignee:
Hofer, David L.
Primary Class:
73/714
Other Classes:
73/302
International Classes:
E02F3/90; E02F3/88
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US Patent References:
2411986Liquid-gas-phase control
2290626N/A
1878888Apparatus for the automatic operation of machines