Title:
Floor structure elevating device
Document Type and Number:
United States Patent 3222030
Inventors:
Thorpe, William J.
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Publication Date:
12/07/1965
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Referenced by:
Export Citation:
Assignee:
UNISTRUT CORP
Primary Class:
Other Classes:
254/133R, 248/354.300, 52/126.600
International Classes:
E04F15/024
Foreign References:
| FR1290765A |