Metis IP - Leading IP service provider in China
https://patentchn.com/
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Metis IP - Leading IP service provider in China
https://patentchn.com/
This profile is from a federated server and may be incomplete. View on remote instance
Common General Knowledge for Patents in China ( www.patentchn.com )
Common general knowledge for patents in China should have the property of being generally known, and be understood as a well-known textbook or reference book.