Title:
Control valve for lifting devices
Document Type and Number:
United States Patent 1764005
Inventors:
Cochin, John D.
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Publication Date:
06/17/1930
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Referenced by:
Export Citation:
Assignee:
Cochin, John D.
Primary Class:
Other Classes:
74/471XY, 74/471R, 254/93R
International Classes:
F16K11/16; F16K11/10