Beijing
China
3
2015-03-12
Xuejun Cui from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for Producing Surrounding Connection of Heat-insulating Protecting Component
#2 | 2010-12-16Method for forming hemmed edges at a punch hole of a metal protective component
#3 | 2010-06-10Method for manufacturing S-shaped bent edge on heat-isolating protection metal component
1091455 ⎘