| http://www.w3.org/ns/prov#value | - 20090183592Chain drive transmission, propelled by bent and prolonged levers - configurable mechanism - A configurable chain drive transmission, which is propelled by two bent, prolonged, and extendable levers, that can be attached on to an existing chain drive transmission found on bicycles, wheelchairs, carts, and other forms of transportation to increase its output and usefulness.2009-07-23
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