Beijing
China
2
2020-10-15
The entities that hold a legal rights for patent applications filed by inventor Yang Shengli:
Shengli Yang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
SYSTEM FOR ACQUIRING MOVEMENT INFORMATION OF HIGH-LEVEL ROCK STRATUM IN COAL MINE STOPE, AND ACQUISITION AND ANALYSIS METHOD
#2 | 2020-09-17Experimental platform and experimental method for simulating coal rock disaster of coal mine stope
2851044 ⎘