TRUSS JOIST WITH CASE-CONNECTED WEB MEMBERS
United States Patent 3537224
US Patent References:
Bolted open-web structural assemblies
- - 3106995

Vent duct adapter
- - 3111722


Inventors:
Troutner, Arthur L.
Publication Date:
11/03/1970
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Assignee:
Troutner, Arthur L.
Primary Class:
52/693
Other Classes:
403/217
International Classes:
E04C3/292; E04C3/29; E04C3/292
Foreign References:
CA740596A




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