Beijing
China
2
2016-12-22
The entities that hold a legal rights for patent applications filed by inventor Yang Weiwei:
Weiwei Yang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof
#2 | 2013-09-12Industrial method for producing dispersion-strengthened iron-based materials at low cost and in large-scale
432633 ⎘