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Title:
Heavy duty adjustable railing
United States Patent 3343811
Inventors:
Kusel, Edward J.
Mankin, Robert S.
Publication Date:
09/26/1967
Assignee:
Kusel, Edward J.
Mankin, Robert S.
Primary Class:
Other Classes:
256/65.08, 403/49, 403/186, D25/44
International Classes:
E04F11/18
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