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Title:
Floor drain
Document Type and Number:
United States Patent 2003770
Inventors:
Louis, Goodhart
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Publication Date:
06/04/1935
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Assignee:
Louis, Goodhart
Primary Class:
210/163
Other Classes:
220/324, 137/433, 138/89, 137/544
International Classes:
E03F5/042
;
E03F5/04
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