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Patent number
8,330,778
Issue date
Dec 11, 2012
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
Yong-Jun Song
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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20110037757
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Feb 17, 2011
HONG FU JIN PRESISION INDUSTRY(ShenZhen)CO., LTD
YONG-JUN SONG
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS