KZ

Keqiang Zhang

Overall (All Time): #1,805,198 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11633711 Preparation method of La(OH)3 nanorod coated walnut shell biochar composite Feng Wang, Yuan Luo 2023-04-25
9662827 Handle positioning apparatus outside mould for pre-inserted-handle bottle blow moulding machine, and method of use thereof — 2017-05-30