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Category:Jiao Zhang of Beijing (CN)

From WikiPatents

Jiao Zhang

Jiao Zhang from Beijing (CN) has applied for patents in technology areas such as B61L27/70, B61L25/02 with Beijing Subway Operation Co., Ltd. Technology Innovation Research Institute Branch.

Patents

Subway Vehicle Electronic Record System Based on Blockchain Technology (20250083722)

Pages in category "Jiao Zhang of Beijing (CN)"

This category contains only the following page.

B

Beijing Subway Operation Co., Ltd. Technology Innovation Research Institute Branch (20250083722). Subway Vehicle Electronic Record System Based on Blockchain Technology

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