Title:
Drainage system
United States Patent 1760314


Inventors:
Murrey ED.
Application Number:
US27508928A
Publication Date:
05/27/1930
Filing Date:
05/04/1928
Assignee:
Murrey ED.
Primary Class:
Other Classes:
210/170.1, 210/532.2
International Classes:
E02B11/00
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