Title:
Metal pole with reenforcing pipes
United States Patent 1903907
Inventors:
Riemenschneider, Edmund W.
Publication Date:
04/18/1933
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Export Citation:
Assignee:
UNION METAL MFG COMPANY
Primary Class:
Other Classes:
52/301, 362/431, 52/836
International Classes:
E04H12/08; E04H12/00