Beijing
China
5
2024-07-16
The entities that hold a legal rights for patent applications filed by inventor Wang Changjun:
Changjun Wang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Prestressed fish-belly reaction frame, pile foundation bearing capacity detection device and application thereof
#2 | 2024-03-14Hot extrusion die and hot extrusion integral forming method for special-shaped square pipe
#3 | 2022-11-03Electrically assisted forming process and device for high-strength metal alloy thin-walled pipe
#4 | 2022-10-20High-strength stainless steel rotor and method for preparing the same
#5 | 2021-07-01MN-CU-Based Damping Alloy Powder For Use In Selective Laser Melting Process And Preparation Method Thereof
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