BEAM CLAMP
United States Patent 3533587

Inventors:
Vecchiarelli, Francis
Smith, Carr E.
Publication Date:
10/13/1970
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Assignee:
ALCAN ALUMINUM CORP
Primary Class:
248/228.500
Other Classes:
248/72
International Classes:
E04F10/08; F16B9/02; E04F10/00; F16B9/00; E04B1/40




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