Changwon-Si
South Korea
3
2018-09-20
The entities that hold a legal rights for patent applications filed by inventor Lee Choon-Man:
Choon-Man Lee from Changwon-Si, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Multiple heat source-type preheating device for machining apparatus
#2 | 2014-12-18Method of controlling laser beam preheating temperature of surface of workpiece
#3 | 2013-10-03Preload control device of magnetic bearing
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