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Guo Changsheng patents in 2021

Guo Changsheng was listed as an assignee on 1 patent publication in 2021.

Company year slice statistics
MetricValue
CompanyGuo Changsheng
Year2021
Patents1

Patents

Representative publications for Guo Changsheng in 2021.

Top CPC classifications

Most common classification codes for Guo Changsheng in 2021.

Top CPC codes for Guo Changsheng in 2021
CPCPatents
B21D53/781
B22F10/201
B22F10/251
B22F10/361
B22F10/381

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