Title:
Silo elevator
Document Type and Number:
United States Patent 1817693
Inventors:
Kreider, Irvin K.
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Publication Date:
08/04/1931
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Referenced by:
Export Citation:
Assignee:
Kreider, Irvin K.
Primary Class:
Other Classes:
187/239
International Classes:
B65G65/30; B66B17/26; E04H7/22; B65G65/00; B66B17/00; E04H7/00