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Add：Guangdong Province in Yuexiu District of Guangzhou Road 100 martyrs of the compound third floor of Building 60 Tel：020－87684609 Fax：020－87687207 Web：http://www.gdzhiyou.com
Guangzhou Zhiyou Patent&Trademark Agency Co., LTD.Formerly known as Canton patent firm, founded in 1985, the Guangdong Provincial Intellectual Property Office for the subordinate units in Guangdong Province, the earliest establishment of the largest patent agency one.
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