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American Institute of Steel Construction
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Technical Guide For Precast, Prestressed Concrete Hollowcore Plank
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TermoBuild

TermoBuild
Innovative method of heating and cooling using the voids in hollow core slabs

J.P. Carrara & Sons, Inc.

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Steel Recycling Institute (SRI)

Steel Recycling Institute (SRI)
Information on Steel and Sustainability

US Patents

United States Design Patent
Open Web Dissymmetric Beam USD4,544,039
United States Certificate of Registration
Trademark Girder-Slab 2,720,180
United States Patent
Dissymmmetrical Beam Construction 5,704,181
United States Patent
Open Web Dissymmetric Beam Construction 6,442,908 B1

International Patents

Canadian Patent 2,407,359
Open Web Dissymmetric Beam Construction
Mexican Patent 243186
Construccion De Viga Disimetrica De CeLosia

 

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