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aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ }yT/UlU 专利搜索引擎:http://www.soopat.com/ T!c|O3m (2014-03-22 12:41) Y#F.{i
aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) yY8zTWji_
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