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BEIJING - The Olympic rings and the sign of "Beijing 2008" are among the most frequently infringed Olympic logos, a Chinese official told a press conference here on Thursday.

Fu Shuangjian, deputy head of the State Administration For Industry and Commerce, said there was no statistics about the exact infringing uses, and the conclusion was made upon estimation.

A total of 198 Olympic logos had so far been filed with the administration and made public, he said.