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HOME
About us
About us
Overview of Zhenghuan Huan Run
Honors and Awards
Professional team
professional team
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Business and Industry
Business Scope
Industry Fields
NEWS
NEWS
Firm News
Industry Updates
Contact us
contact us
Join Us
Join Us
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Lawyer & Patent Attorney
Zhang Guofu
Patent application; Patent invalidation; Patent litigation; Legal counsel for intellectual property rights
Patent Attorney
Wang Xinghua
Patent Application; Patent Invalidation
Patent Attorney
Zheng Hao
Patent Application; Patent Analysis
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