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neerajsinghvns : stiff   1

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http://www.steeltubeinstitute.org/pdf/brochures/dimension_brochure.pdf
tags: property properties sectional dimensional square box structures metal hollow of torsion torsional stiffness stiff;;;
property  properties  sectional  dimensional  square  box  structures  metal  hollow  of  torsion  torsional  stiffness  stiff 
october 2012 by neerajsinghvns

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