Chungcheongnam-do
Korea (South)
1
2013-12-05
Jong Eun Cho from Chungcheongnam-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Blasting Method Using a Control Device for Inducing a Blast Pressure, and Control Device for Inducing the Blast Pressure to Apply the Method
552381 ⎘