Title:
Flush valve system
Document Type and Number:
United States Patent 2543438

Inventors:
Cochran, Francis R.
Publication Date:
02/27/1951
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Assignee:
Cochran, Francis R.
Primary Class:
4/411
International Classes:
E03D1/012; E03D1/34; E03D1/00; E03D1/30
US Patent References:
0301868
0441097
0994793


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