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17、Trademarks are words,names;or symbols that identify the producer of a product and     it from similar goods of others.   

      A.defend                 B.protect                 C.distinguish              D.break

17、C

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Trademarks are words,names;or symbols that identify the producer of a product and     it from similar goods of others.   

      A.defend                 B.protect                 C.distinguish              D.break

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