Title:
Conveyer-conduit
Document Type and Number:
United States Patent 1400658
Inventors:
Broughton, Brown John
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Publication Date:
12/20/1921
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Assignee:
Broughton, Brown John
Primary Class:
Other Classes:
138/108, 138/113, 138/148, 406/191
International Classes:
B65G53/52; B65G53/34