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Xue Li

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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

Office Hours

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from 9:00 to 17:30
(local time in Beijing)

Time difference and daylight-saving time

To GMT (UTC):
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GMT +7
During daylight saving time:
GMT +6

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