Title:
Channeling machine
United States Patent 1858327
Inventors:
Hays, Joseph I.
Publication Date:
05/17/1932
Export Citation:
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Assignee:
Hays, Joseph I.
Primary Class:
37/385
Other Classes:
33/625, 37/190, 404/121
International Classes:
E02F3/76; E02F3/84
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