Hebei
China
3
2021-09-30
The entities that hold a legal rights for patent applications filed by inventor Luo Junting:
Junting Luo from Hebei, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Device and method for strengthening thin-walled straight pipe
#2 | 2021-09-30Method of forming thick-walled cylinder by spinning
#3 | 2021-09-30Rolling-bulging forming hydraulic machine for tubular products
6549816 ⎘