- Pall Dynamics
Canada
Inspired by the principle of friction brake, Dr. Avtar Pall, a structural engineer, pioneered the development of Pall Friction Dampers for the seismic control of buildings. Pall Friction Dampers significantly reduce the initial cost of construction while dramatically increasing the earthquake resistance against damage. Pall Dynamics Limited (PDL) founded in 1984.
http://www.palldynamics.com
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