Bingjian Zhang's national patent

1 national invention patent: calcium carbonate biomineralization reinforcement method for calcium carbonate stone cultural relics, patent number: ZL271742.7,

2 national invention patent: calcium phosphate biomineralization reinforcement method for stone and stone cultural relics, patent number: ZL 2716859.2,

3 national invention patent: waterproof reinforcement of soil sites in humid environment. PatentNo.: ZL2515877.2 ,

4 National invention patent: bionic surface protection method for stone and stone cultural relics, patentNo.: ZL2516176.6,

5 National invention patent: reinforcing agent for surface layer of soil site in humid environment and its reinforcing method, patentNo.: ZL23 118663.7,

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