李守哲

Cooking appliance, controlling system for cooking appliance and controlling method for cooking appliance

沈美华, 朴俊炫, 朴元庚, 2007 .

Cooking appliance, controlling system for cooking device and controlling method for cooking device

朴俊炫, 李守哲, 2007 .

Continuous oil pipe semitrailer

刘东, 马进胜, 李守哲, 2011 .