Title:
PRECAST SEPTIC TANK
United States Patent 3545617
Inventors:
Hamrick, Wellington
Publication Date:
12/08/1970
Export Citation:
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Assignee:
Wellington, Hamrick
Primary Class:
210/109
Other Classes:
210/123, 210/532.2
International Classes:
C02F3/28; C02F3/28; (IPC1-7): B01D21/02; B01D21/24
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