Jinan
China
2
2022-03-03
The entities that hold a legal rights for patent applications filed by inventor WANG Zhenjun:
Zhenjun WANG from Jinan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Expansive polymer grouting material for treating high-pressure large-flow-rate karst water inrush and preparation method thereof
#2 | 2022-02-17Karst channel type water inrush efficient-blocking ultra-high expansion grouting material and preparation and using methods and application thereof
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