Safety flushing apparatus
United States Patent 1956087
Inventors:
Tracy, Michael J.
Publication Date:
04/24/1934
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Assignee:
PAULY JAIL BUILDING COMPANY
Primary Class:
Other Classes:
4/427
International Classes:
E03D5/02; E03D5/092; E03D11/13; E03D5/00; E03D11/00