Concrete sheet piling
United States Patent 2089763

Inventors:
Michael, Rotinoff Anne
Alexander, Rotinoff George
Publication Date:
08/10/1937
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Assignee:
WEST S ROTINOFF PILING & CONST
Primary Class:
405/275
Other Classes:
D25/113
International Classes:
E02D5/12; E02D5/16; E02D5/02