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Sonderhoff & Einsel (Beijing) Patent Agency Office

Suite 316
China World Office No 1
No 1 Jianguomenwai Ave
Chaoyang District
Beijing 100004
China（北京市朝阳区建国门外大街1号国贸写字楼1座316号）

Tel +86-10-6505-5213
Fax +86-10-6505-6747
Email patent@sonderhoff-einsel.cn

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