李政

Rapid-folding crank for bicycle

李政, 2005 .

Microstation v8i-based city rapid-modeling method

高鹏, 刘敏, 吴晓燕, 2010 .

Back driving bodybuilding bicycle

李政, 2011 .

Numerically controlled grinder

李鑫, 胡杰, 李文喜, 2010 .